Wikipedia:WikiProject Missing encyclopedic articles/Antarctica/O1
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'''O'Brien Bay''' ({{coor dm|66|18|S|110|32|E|}}) is a [[bay]] lying between Bailey and [[Mitchell Peninsulas]] on the [[Budd Coast]]. First mapped from air photos taken by [[U.S. Navy Operation Highjump]] and [[Operation Windmill]] in 1947 and 1948. Named by the [[Advisory Committee on Antarctic Names]] (US-ACAN) for Lieutenant Clement E. O'Brien, [[U.S. Navy]], communications officer with [[U.S. Navy Operation Windmill]] which established astronomical control stations in the [[Windmill Islands]] in 1948.
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[[Category:Geography of Antarctica]]
'''O'Brien Island''' ({{coor dm|61|30|S|55|58|W|}}) is a small rocky [[island]] which rises to 540 m, lying 2 nautical miles (3.7 km) southwest of [[Aspland Island]] in the [[South Shetland Islands]]. The name dates back to at least 1822 and is now established in international usage.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''O'Brien Peak''' ({{coor dm|85|28|S|156|42|W|}}) is a rock [[peak]], 670 m, standing 3 nautical miles (6 km) west of the north extremity of [[Medina Peaks]], along the edge of the [[Ross Ice Shelf]]. Discovered in December 1929 by the [[Byrd Antarctic Expedition]] geological party under [[Laurence Gould]], and named by Byrd for John S. O'Brien, surveyor with that party.
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[[Category:Mountains of Antarctica]]
'''O'Cain Point''' ({{coor dm|62|16|S|58|53|W|}}) is a point lying 3 nautical miles (6 km) northwest of [[Duthoit Point]] on the east side of [[Nelson Island]], in the [[South Shetland Islands]]. The name O'Cain's Island, after the American sealing vessel O'Cain (Captain [[Jonathan Winship]]) from Boston, MA, was applied by the Stonington sealers in 1820-21 to Nelson Island, but this name did not become established. O'[[Cain Point]] was applied by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) in 1961 to preserve the American name in the area.
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[[Category:Geography of Antarctica]]
'''O'Connell Nunatak''' ({{coor dm|84|43|S|65|8|W|}}) is a peaked rock [[nunatak]], 1,210 m, standing 6 nautical miles (11 km) south-southeast of [[Mount Murch]] in southern [[Anderson Hills]], in the [[Patuxent Range]], [[Pensacola Mountains]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1956-66. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Richard V]]. O'Connell, seismologist at [[South Pole Station]], winter 1967.
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[[Category:Mountains of Antarctica]]
'''O'Connor Island''' ({{coor dm|66|25|S|110|28|E|}}) is a rocky [[island]], 1 nautical mile (1.9 km) long, between Holl and [[Ford Islands]] in the south part of the [[Windmill Islands]]. First mapped from air photos taken by [[U.S. Navy Operation Highjump]] and [[Operation Windmill]] in 1947 and 1948. Named by the [[Advisory Committee on Antarctic Names]] (US-ACAN) for Joseph (Jerry) J. O'Connor, who served as air crewman with the eastern task group of U.S. Navy Operation Highjump, 1946-47, and assisted [[U.S. Navy Operation Windmill]] parties in establishing astronomical control stations between [[Wilhelm II Coast]] and [[Budd Coast]] during the 1947-48 season.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''O'Connor Nunataks''' ({{coor dm|76|26|S|143|25|W|}}) is a group of rock exposures rising above the ice near the head of [[Balchen Glacier]], 5 nautical miles (9 km) northeast of [[Griffith Nunataks]] in the [[Ford Ranges]], [[Marie Byrd Land]]. Discovered by the [[United States Antarctic Service]] (USAS) in aerial flights over this area in 1940, and named for Raymond O'Connor, a member of the [[West Base]] of the USAS (1939-41).
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[[Category:Mountains of Antarctica]]
'''O'Connor Peak''' ({{coor dm|54|16|S|36|19|W|}}) is a [[peak]], 675 m, standing west of [[Long Point]] on [[Barff Peninsula]], [[South Georgia]]. Charted by a [[Norwegian Antarctic Expedition]], 1927-28, and named [[Mount Bryde]]. Recharted by DI in 1929 and named after [[Midshipman W.]]P. O'Connor, [[Royal Navy Reserve]], who assisted with the survey.
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[[Category:Mountains of Antarctica]]
'''O'Connors Rock''' ({{coor dm|62|5|S|58|24|W|}}) is a rock 0.1 nautical miles (0.2 km) southwest of [[Stenhouse Bluff]], [[King George Island]], lying in [[Visca Anchorage]] in the north part of [[Admiralty Bay]], in the [[South Shetland Islands]]. First charted by the [[French Antarctic Expedition]], 1908-10, under Charcot. The name "O'Connor's Rock" was first used for this feature on a British chart and is probably after [[Midshipman W.]]P. O'Connor, [[Royal Navy Reserve]], who assisted in a sketch survey of Visca Anchorage in the Discovery in 1927.
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[[Category:Geography of Antarctica]]
'''O'Donnell Peak''' ({{coor dm|72|24|S|166|1|E|}}) is a [[peak]] on the polar plateau, situated 5 nautical miles (9 km) west of [[Joice Icefall]] of the [[Millen Range]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1960-64. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Frank B. O'Donnell, meteorologist at [[Hallett Station]] in 1962.
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[[Category:Mountains of Antarctica]]
'''O'Dowd Cove''' ({{coor dm|72|30|S|98|55|W|}}) is an ice-filled [[cove]] of [[Abbot Ice Shelf]] between [[Williamson Peninsula]] and Von der [[Wall Point]] on the south side of [[Thurston Island]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) after Commander William O'Dowd, [[Aviation Officer]] of the seaplane tender USS [[Pine Island]] in the [[Eastern Group]] of [[U.S. Navy Operation Highjump]], 1946-47.
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[[Category:Geography of Antarctica]]
'''O'Gorman Rocks''' ({{coor dm|68|34|S|77|57|E|}}) is a two small insular rocks lying off the [[Vestfold Hills]], about 0.5 nautical miles (0.9 km) south of [[Trigwell Island]]. The rocks were plotted from ANARE ([[Australian National Antarctic Research Expeditions]]) air photos of 1957 and 1958. Named by [[Antarctic Names Committee of Australia]] (ANCA) for M. O'Gorman, weather observer at [[Davis Station]] in 1959.
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[[Category:Geography of Antarctica]]
'''O'Hara Glacier''' ({{coor dm|70|49|S|166|40|E|}}) is a [[glacier]] just west of [[Ackroyd Point]], flowing northwest into the south side of [[Yule Bay]], [[Victoria Land]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1960-63. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Norbert W. O'Hara, a member of the [[United States Antarctic Research Program]] (USARP) party which conducted studies of the [[Ross Ice Shelf]], 1965-66.
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[[Category:Glaciers of Antarctica]]
'''O'Kane Canyon''' ({{coor dm|74|19|S|162|30|E|}}) is a steep-walled canyon at the head of O'[[Kane Glacier]], indenting the east side of [[Eisenhower Range]] between [[Mount Baxter]] and [[Eskimo Point]], in [[Victoria Land]]. Named by the [[Southern Party]] of [[New Zealand Geological Survey Antarctic Expedition]] (NZGSAE), 1962-63, for H.D. O'Kane, photographer at [[Scott Base]], 1961-62. O'Kane had made several reconnaissance flights to provide aerial photographs of the area.
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[[Category:Geography of Antarctica]]
'''O'Kane Glacier''' ({{coor dm|74|26|S|163|6|E|}}) is a steep [[glacier]], 15 nautical miles (28 km) long, draining the east wall of [[Eisenhower Range]] between [[Mount Baxter]] and [[Eskimo Point]] and flowing southeast to its terminus opposite the mouths of the Priestley and [[Corner Glaciers]] at the north extremity of [[Nansen Ice Sheet]], in [[Victoria Land]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) in association with O'[[Kane Canyon]], located at the head of the glacier.
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[[Category:Glaciers of Antarctica]]
'''O'Keefe Hill''' ({{coor dm|70|20|S|64|24|E|}}) is an isolated ice-covered hill, located 1.5 nautical miles (2.8 km) south of [[Baldwin Nunatak]] and 8 nautical miles (15 km) south-southwest of [[Mount Starlight]] in the [[Prince Charles Mountains]]. Mapped from ANARE ([[Australian National Antarctic Research Expeditions]]) air photos, 1965. Named by [[Antarctic Names Committee of Australia]] (ANCA) for J. O'Keefe, cook at [[Mawson Station]], 1964.
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[[Category:Geography of Antarctica]]
'''O'Leary Peak''' ({{coor dm|84|27|S|179|14|W|}}) is a partly snow-covered [[peak]] (1,040 m), the northernmost summit along the east wall of [[Erickson Glacier]], where the latter enters the [[Ross Ice Shelf]]. Discovered and photographed by the [[United States Antarctic Service]] (USAS), 1939-41. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Paul V]]. O'Leary, builder, [[U.S. Navy Reserve]], a member of the [[U.S. Naval Support Force]], Antarctica, who lost his life by accidental poisoning on [[November 28]], [[1959]].
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[[Category:Mountains of Antarctica]]
'''O'Leary Ridges''' ({{coor dm|70|58|S|67|19|E|}}) is a three partly snow-covered ridges extending in a line NW-SE for about 5 nautical miles (9 km), situated 20 nautical miles (37 km) southeast of [[Mount Bunt]] in the [[Prince Charles Mountains]]. Plotted from ANARE ([[Australian National Antarctic Research Expeditions]]) air photos taken in 1960. Named by [[Antarctic Names Committee of Australia]] (ANCA) for R.A. O'Leary, officer in charge at [[Wilkes Station]] in 1964.
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[[Category:Geography of Antarctica]]
'''O'Neal Nunataks''' ({{coor dm|79|1|S|85|0|W|}}) is a small, linear group of [[nunatak]]s that mark the south end of [[Bastien Range]], in the [[Ellsworth Mountains]]. Named by the University of Minnesota geological parties to the Ellsworth Mountains for Jerry O'Neal, aerographer with these parties in 1963-64 and 1964-65.
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[[Category:Mountains of Antarctica]]
'''O'Neal Point''' ({{coor dm|64|42|S|62|18|W|}}) is a point on the east side of [[Arctowski Peninsula]], [[Danco Coast]]. The point stands between the entrances of [[Beaupre Cove]] and [[Piccard Cove]] in [[Wilhelmina Bay]]. Named after James D. O'Neal, cartographer, [[Special Maps Branch]], [[U.S. Geological Survey]], who was [[United States Observer]] with the [[Chilean Antarctic Expedition]], October 1956-April 1957, working in the [[South Shetland Islands]] and northwestern [[Antarctic Peninsula]].
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[[Category:Geography of Antarctica]]
'''O'Neal Ridge''' ({{coor dm|72|48|S|168|45|E|}}) is a high ridge trending NE-SW, bounded by [[Ingham Glacier]] and [[Humphries Glacier]] in the [[Victory Mountains]] of [[Victoria Land]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Russell D. O'Neal, member of the [[National Science Board]], 1972-77. As part of his official duties in support of the U.S. science program, he visited several sites in Antarctica in 1975.
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[[Category:Geography of Antarctica]]
'''Mount O'Neil''' ({{coor dm|85|40|S|136|20|W|}}) is a [[mountain]], 2,090 m, just northeast of [[Mount Ratliff]] at the north side of [[Kansas Glacier]]. Mapped by [[United States Geological Survey]] (USGS) from ground surveys and [[U.S. Navy]] air photos, 1960-63. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Robert J. O'Neil, utilitiesman with the [[Byrd Station]] winter party in 1961.
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[[Category:Mountains of Antarctica|O'Neil, Mount]]
'''O'Neill Peak''' ({{coor dm|74|5|S|77|14|W|}}) is the highest point (about 850 m) of [[FitzGerald Bluffs]], on the [[English Coast]], [[Ellsworth Land]]. Following geological work in the area by a [[United States Geological Survey]] (USGS) field party in December 1984, named by [[Advisory Committee on Antarctic Names]] (US-ACAN) after John M. O'Neill, USGS geologist, a member of the field party.
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[[Category:Mountains of Antarctica]]
'''O'Neill Point''' ({{coor dm|64|49|S|63|6|W|}}) is the north point of [[Lautaro Island]], lying 1.5 nautical miles (2.8 km) west-southwest of [[Lemaire Island]] in [[Gerlache Strait]]. Named by [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) in 1977 for [[Vincent Michael]] O'Neill, [[Falkland Islands Dependencies Survey]] (FIDS) radio operator and mechanic at [[Danco Island]], 1957-58, and [[Deception Island]], 1958-59.
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[[Category:Geography of Antarctica]]
'''O'Shea Peak''' ({{coor dm|70|26|S|66|31|E|}}) is a small [[peak]] just south of [[Mount McCarthy]] in the eastern part of the [[Porthos Range]], [[Prince Charles Mountains]]. Plotted from ANARE ([[Australian National Antarctic Research Expeditions]]) air photos taken in 1956 and 1960. Named for J.H. O'Shea, radio officer at [[Wilkes Station]] in 1962 and 1964 and at [[Macquarie Island]] in 1966.
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[[Category:Mountains of Antarctica]]
'''Mount O'Shea''' ({{coor dm|70|15|S|65|35|E|}}) is a [[mountain]] 2 nautical miles (3.7 km) north-northwest of [[Mount Albion]] in the [[Athos Range]], [[Prince Charles Mountains]]. Plotted from ANARE ([[Australian National Antarctic Research Expeditions]]) air photos. Named for A.J. O'Shea, assistant diesel mechanic at [[Mawson Station]] in 1964.
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[[Category:Mountains of Antarctica|O'Shea, Mount]]
'''O'Sullivan Peak''' ({{coor dm|71|26|S|62|6|W|}}) is an ice-covered [[peak]], 1,765 m, which forms the highest point and is near the south end of a north-south trending ice-covered ridge, standing 11 nautical miles (20 km) west of the north arm of [[Odom Inlet]], on the east coast of [[Palmer Land]]. The peak was photographed from the air by the [[United States Antarctic Service]] (USAS) in December 1940, and was probably seen by the expedition's ground party that explored this coast. First charted by a joint party consisting of members of the [[Ronne Antarctic Research Expedition]] (RARE) and the [[Falkland Islands Dependencies Survey]] (FIDS) in 1947. Named by the FIDS for T.P. O'Sullivan, a member of the FIDS at the [[Hope Bay]] base in 1946-47.
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[[Category:Mountains of Antarctica]]
'''Lake O-ike''' ({{coor dm|69|1|S|39|34|E|}}) is a [[lake]] just southeast of [[Showa Flat]] in the east extremity of [[Ongul Island]]. Mapped from surveys and air photos by [[Japanese Antarctic Research Expedition]] (JARE), 1957-62, and named O-ike (big pond) because it is the largest lake on the [[island]].
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[[Category:Lakes of Antarctica|O-ike, Lake]]
'''Cape Oakeley''' ({{coor dm|71|1|S|167|54|E|}}) is a bold [[headland]] on the northeast side of [[Quam Heights]]. It forms the south side of the entrance of [[Smith Inlet]] in northern [[Victoria Land]]. Discovered in 1841 by Captain [[James Ross]], [[Royal Navy]], who named it for [[Henry Oakeley]], mate on the Erebus.
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[[Category:Geography of Antarctica|Oakeley, Cape]]
'''Oakley Glacier''' ({{coor dm|73|42|S|166|8|E|}}) is a [[glacier]] in the [[Mountaineer Range]] that descends east from [[Mount Casey]] to merge with the floating tongue from the [[Icebreaker Glacier]] at [[Lady Newnes Bay]], in [[Victoria Land]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1960-64. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Lieutenant Commander [[Donald C. Oakley]], U.S. Navy, Protestant chaplain with the winter party at [[McMurdo Station]], 1967.
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[[Category:Glaciers of Antarctica]]
'''Oamaru Peak''' ({{coor dm|77|28|S|167|54|E|}}) is a [[peak]] 2 nautical miles (3.7 km) north of [[Mount Terra Nova]] on [[Ross Island]]. The feature rises to c.1000 m 1 nautical mile (1.9 km) north of [[Caldwell Peak]]. Named by [[New Zealand Geographic Board]] (NZGB) (2000) after Oamaru, Otago, [[New Zealand]], the port the [[Terra Nova]] first visited after the death of Captain [[Robert F. Scott]].
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[[Category:Mountains of Antarctica]]
'''Oates Bank''' ({{coor dm|70|15|S|165|0|E|}}) is a bank name proposed by Dr. [[Steven C. Cande]], [[Scripps Institution]] of Oceanography. Named in association with [[Oates Coast]]. Name approved 9/97 (ACUF 272).
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[[Category:Geography of Antarctica]]
'''Oates Canyon''' ({{coor dm|68|0|S|164|30|E|}}) is an undersea canyon on the continental rise east of [[Iselin Bank]] named in association with [[Oates Coast]]. Name approved 6/88 (ACUF 228).
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[[Category:Geography of Antarctica]]
'''Oates Coast''' ({{coor dm|69|30|S|159|0|E|}}) is that portion of the coast of Antarctica between [[Cape Hudson]] and [[Cape Williams]]. The eastern portion of this coast was discovered in February 1911 by Lieutenant [[Harry Pennell]], [[Royal Navy]], commander of the expedition ship [[Terra Nova]] during the [[British Antarctic Expedition]], 1910-13. He named the coast after Captain [[Lawrence E.G. Oates]] who, with Captain [[Robert F. Scott]] and three British Antarctic Expedition companions, perished on the return journey from the [[South Pole]] in 1912. The western portion of the coast, the vicinity of the [[Mawson Peninsula]], was first delineated from air photos taken by [[U.S. Navy Operation Highjump]], 1946-47.
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[[Category:Geography of Antarctica]]
'''Oates Piedmont Glacier''' ({{coor dm|76|25|S|162|35|E|}}) is an extensive lowland ice sheet east of the [[Kirkwood Range]], occupying the whole of the coastal platform between the Fry and [[Mawson Glaciers]] in [[Victoria Land]]. Surveyed in 1957 and named by the [[New Zealand Northern Survey Party]] of the [[Commonwealth Trans-Antarctic Expedition]] (1956-58) after Captain [[Lawrence E.G. Oates]] who, with [[Captain Scott]] and three companions, perished on the return from the [[South Pole]] in 1912.
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[[Category:Glaciers of Antarctica]]
'''Ob' Bay''' ({{coor dm|70|35|S|163|22|E|}}) is a [[bay]] lying between [[Lunik Point]] and [[Cape Williams]]. Lillie [[Glacier Tongue]] occupies the east part of the bay. Charted by the [[Soviet Antarctic Expedition]] (1958) and named after the expedition ship Ob'.
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[[Category:Geography of Antarctica]]
'''Ob' Passage''' ({{coor dm|66|33|S|93|1|E|}}) is a passage 0.4 nautical miles (0.7 km) wide between [[Khmary Island]] and [[Mabus Point]] on the coast of Antarctica. First observed by the [[Australasian Antarctic Expedition]] (1911-14) under Mawson. Mapped by the Soviet expedition (1956), who named it for the ship Ob'.
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[[Category:Geography of Antarctica]]
'''Obelisk Col''' ({{coor dm|64|7|S|58|24|W|}}) is a col at about 150 m on the east side of [[Cape Obelisk]], [[James Ross Island]], aligned north-south between [[Rum Cove]] and [[Rohss Bay]]. Named after Cape Obelisk by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) in 1983.
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[[Category:Geography of Antarctica]]
'''Obelisk Mountain''' ({{coor dm|77|37|S|161|37|E|}}) is a [[mountain]], about 2,200 m, between [[Catspaw Glacier]] and [[Mount Odin]] in the [[Asgard Range]] of [[Victoria Land]]. Given this descriptive name by the [[Western Journey Party]], led by Taylor, of the [[British Antarctic Expedition]], 1910-13.
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[[Category:Mountains of Antarctica]]
'''Cape Obelisk''' ({{coor dm|64|8|S|58|27|W|}}) is a cape at the north side of the entrance to [[Rohss Bay]], on the west side of [[James Ross Island]]. Discovered and named by the [[Swedish Antarctic Expedition]], 1901-04, under Nordenskjold. The name is descriptive of a conspicuous rock pinnacle about 2 nautical miles (3.7 km) within the [[headland]], which is visible from northwestward and southward.
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[[Category:Geography of Antarctica|Obelisk, Cape]]
'''The Obelisk''' ({{coor dm|71|50|S|70|33|W|}}) is a prominent pillar, 750 m, centrally located within [[Staccato Peaks]], 18 nautical miles (33 km) west-northwest of [[Mimas Peak]] in the south part of [[Alexander Island]]. First seen from the air by [[Lincoln Ellsworth]] on [[November 23]], [[1935]], and roughly mapped from photos taken on that flight by [[W.L.G. Joerg]]. Remapped from air photos taken by the [[Ronne Antarctic Research Expedition]] (RARE), 1947-48, by Searle of the [[Falkland Islands Dependencies Survey]] (FIDS) in 1960. Name given by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) is descriptive.
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[[Category:Geography of Antarctica|Obelisk, The]]
'''Lake Ober-See''' ({{coor dm|71|17|S|13|39|E|}}) is a meltwater [[lake]] lying between [[Sjoneset Spur]] and [[Mount Seekopf]] in the [[Gruber Mountains]] of [[Queen Maud Land]]. Discovered by the [[German Antarctic Expedition]] under Ritscher, 1938-39, who named it [[Ober-See]] (upper lake).
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[[Category:Lakes of Antarctica|Ober-See, Lake]]
'''Oberon Peak''' ({{coor dm|71|24|S|69|32|W|}}) is an isolated [[nunatak]], 1,250 m, at the head of [[Uranus Glacier]] and 8 nautical miles (15 km) north-northwest of [[Titania Peak]] in central [[Alexander Island]]. First mapped from air photos taken by the [[Ronne Antarctic Research Expedition]] (RARE), 1947-48, by Searle of the [[Falkland Islands Dependencies Survey]] (FIDS) in 1960. Named by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) for its association with Uranus Glacier, Oberon being one of the satellites of Uranus.
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[[Category:Mountains of Antarctica]]
'''Oberst Glacier''' ({{coor dm|72|3|S|27|4|E|}}) is a [[glacier]] draining the west side of [[Balchen Mountain]] in the [[Sor Rondane Mountains]]. Mapped by Norwegian cartographers in 1957 from air photos taken by [[U.S. Navy Operation Highjump]], 1946-47, and named Oberstbreen (the colonel glacier) because of its association with Balchen Mountain. Bernt Balchen, a famous Norwegian polar aviator, achieved the rank of colonel in the [[U.S. Army Air Force]] in [[World War II]].
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[[Category:Glaciers of Antarctica]]
'''Mount Obiglio''' ({{coor dm|74|27|S|131|50|W|}}) is a moderate rock summit (510 m) in the west-central portion of [[Grant Island]], along the edge of the [[Getz Ice Shelf]], coastal [[Marie Byrd Land]]. Discovered and charted from the USS 1961-62. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Lieutenant [[G.M. Obiglio]], Argentine naval observer aboard Glacier, at the suggestion of the [[Task Unit Commander]], Captain [[Edwin A. McDonald]], USN.
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[[Category:Mountains of Antarctica|Obiglio, Mount]]
'''Oblachnaya Nunatak''' ({{coor dm|67|41|S|51|16|E|}}) is a [[nunatak]] lying 6 nautical miles (11 km) southeast of [[Perov Nunataks]], at the east margin of [[Scott Mountains]] in [[Enderby Land]]. The geology of the nunatak was investigated by the [[Soviet Antarctic Expedition]], 1961-62, which called it "[[Gora Oblachnaya]]" (cloudy [[mountain]]).
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[[Category:Mountains of Antarctica]]
'''Obrecht Pyramid''' ({{coor dm|68|9|S|65|32|W|}}) is a pyramidal [[peak]] (about 600 m) on the north shore of [[Joerg Peninsula]], [[Bowman Coast]]. The peak was photographed from the air by the [[United States Antarctic Service]] (USAS), 1940, and was surveyed by [[Falkland Islands Dependencies Survey]] (FIDS), 1946-48. The name "[[Punta Alberto Obrecht]]" after [[Alberto Obrecht]], former Director of the [[Chilean Astronomical Observatory]] and a member of the [[Comision Antartica Chilena]] of 1906, was applied to this feature on a Chilean hydrographic chart of 1947. An amended form of the original name has been approved.
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[[Category:Geography of Antarctica]]
'''Obruchev Hills''' ({{coor dm|66|35|S|99|46|E|}}) is a group of rounded hills on the coast between [[Denman Glacier]] and [[Scott Glacier]]. The hills were plotted by the [[Western Base Party]] of the [[Australasian Antarctic Expedition]] (1911-14) as a great rock face. They were plotted in greater detail from aerial photographs taken by [[U.S. Navy Operation Highjump]] (1946-47) and later by the Soviet expedition (1956). Named by the latter for [[Vladimir A. Obruchev]], Soviet geologist (1863-1956).
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[[Category:Geography of Antarctica]]
'''Mount Obruchev''' ({{coor dm|68|54|S|154|10|E|}}) is a [[mountain]] 15 nautical miles (28 km) east-southeast of [[Scar Bluffs]], near the base of [[Mawson Peninsula]]. Mapped by the [[Soviet Antarctic Expedition]], 1958, and named for Soviet geologist [[V.A. Obruchev]].
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[[Category:Mountains of Antarctica|Obruchev, Mount]]
'''Observation Bluff''' ({{coor dm|60|43|S|45|36|W|}}) is the eastern summit, 110 m, of the ice-free ridge which forms the north side of [[Paal Harbor]] in [[Signy Island]], in the [[South Orkney Islands]]. The area was roughly surveyed by DI personnel in 1933. The bluff was surveyed in 1947 by the [[Falkland Islands Dependencies Survey]] (FIDS), and so named by them because it marks the position from which daily sea ice observations were made.
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[[Category:Geography of Antarctica]]
'''Observation Hill''' ({{coor dm|77|51|S|166|40|E|}}) is a conical hill, 230 m, surmounting [[Cape Armitage]] at the south end of [[Hut Point Peninsula]] on [[Ross Island]]. Discovered by the ''Discovery'' expedition, 1901-04, under Scott, and so named because it forms an excellent lookout station.
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[[Category:Geography of Antarctica]]
'''Observation Island''' ({{coor dm|67|1|S|50|24|E|}}) is a small irregular [[island]] lying just west of the mouth of [[Beaver Glacier]] in the east part of [[Amundsen Bay]]. Visited in 1956 by an ANARE ([[Australian National Antarctic Research Expeditions]]) party led by [[P.W. Crohn]], and so named because the island was occupied as a magnetic and astronomical observation station.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Ocean Harbor''' ({{coor dm|54|20|S|36|16|W|}}) is a deeply indented [[bay]] on the north coast of [[South Georgia]] which is entered 1.5 nautical miles (2.8 km) west-northwest of Tijuca point. The names [[New Fortune Bay]] and [[Neufortuna Bay]], probably for the Fortuna, [[Norwegian-Argentine]] whaling vessel which participated in establishing the first permanent whaling station at Grytviken, South Georgia in 1904-05, were used for this feature in 1922 by Filchner, following the [[German Antarctic Expedition]], 1911-12. Following a survey of the [[island]] in 1951-52, the SGS reported that the feature is known to whalers and sealers as Ocean Harbor, a name derived from the [[Ocean Whaling Co]]. which at one time had a station there. The name Ocean Harbor is approved for this feature on the basis of local usage, and also to avoid confusion of the name [[New Fortuna Bay]] with [[Fortuna Bay]], only 22 nautical miles (41 km) to the northwest.
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[[Category:Geography of Antarctica]]
'''Oceana Nunatak''' ({{coor dm|65|8|S|59|48|W|}}) is an one of the [[Seal Nunataks]], lying at the northwest corner of [[Robertson Island]], off the east coast of [[Antarctic Peninsula]]. Discovered by a Norwegian whaling expedition under [[C.A. Larsen]] in December 1893, and named after the [[Oceana Co]]. of Hamburg, a sponsor of the expedition.
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[[Category:Mountains of Antarctica]]
'''Mount Oceanite''' ({{coor dm|58|29|S|26|15|W|}}) is a conspicuous ice-covered [[mountain]] (probably an extinct [[volcano]]) rising to 915 m in the extreme southeast corner of [[Montagu Island]], [[South Sandwich Islands]]. The name applied by [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) in 1971 refers to the oceanite lavas present in this area, which occur nowhere else in the South Sandwich Islands.
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[[Category:Mountains of Antarctica|Oceanite, Mount]]
'''Mount Ochre''' ({{coor dm|78|14|S|166|33|E|}}) is a volcanic crater, partly eroded away, lying 3 nautical miles (6 km) east of [[Mount Aurora]] on [[Black Island]], in the [[Ross Archipelago]]. So named by the [[New Zealand Geological Survey Antarctic Expedition]] (NZGSAE) (1958-59) because reddish-brown scoria covers much of the upper slopes.
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[[Category:Mountains of Antarctica|Ochre, Mount]]
'''Ochs Glacier''' ({{coor dm|76|30|S|145|35|W|}}) is a [[glacier]] flowing to the head of [[Block Bay]] between [[Mount Iphigene]] and [[Mount Avers]], in the [[Ford Ranges]] of [[Marie Byrd Land]]. Discovered by the [[Byrd Antarctic Expedition]] in 1929, and named for [[Adolph S. Ochs]], publisher of the [[New York Times]], a patron of the expedition.
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[[Category:Glaciers of Antarctica]]
'''Ocoa Point''' ({{coor dm|62|37|S|61|9|W|}}) is a steep [[headland]] backed by raised beach terraces at the head of [[New Plymouth]], [[Byers Peninsula]], [[Livingston Island]]. The feature is named "[[Punta Ocoa]]" in a report by [[P.J. Hernandez]] P. and [[V. Azcarate]] M., 1971, following geological work by the [[Chilean Antarctic Expedition]]. Presumably named for a member of the expedition.
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[[Category:Geography of Antarctica]]
'''Odbert Island''' ({{coor dm|66|22|S|110|33|E|}}) is a rocky [[island]], 1.5 nautical miles (2.8 km) long, between [[Ardery Island]] and [[Robinson Ridge]] in the [[Windmill Islands]]. First mapped from air photos taken by [[U.S. Navy Operation Highjump]] and [[Operation Windmill]] in 1947 and 1948. Named by the [[Advisory Committee on Antarctic Names]] (US-ACAN) for Lieutenant [[Jack A. Odbert]], [[U.S. Navy]], assistant aerological officer with [[U.S. Navy Operation Windmill]] which established astronomical control stations in the area in January 1948.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''Odde Nunatak''' ({{coor dm|72|2|S|10|43|E|}}) is the northernmost of a small chain of [[nunatak]]s at the east side of [[Glopeflya Plain]], close south of the east part of the [[Orvin Mountains]] in [[Queen Maud Land]]. Mapped by Norwegian cartographers from surveys and air photos by the [[Norwegian Antarctic Expedition]] (1956-60) and named for [[Odde Gjeruldsen]], scientific assistant with Norwegian Antarctic Expedition (1956-58).
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[[Category:Mountains of Antarctica]]
'''Odell Glacier''' ({{coor dm|76|44|S|159|55|E|}}) is a [[glacier]] draining northeast between [[Allan Hills]] and [[Coombs Hills]] into the upper [[Mawson Glacier]] in [[Victoria Land]]. Named by the [[New Zealand Antarctic Place-Names Committee]] (NZ-APC) for Professor [[N.E. Odell]], formerly of [[Otago University]], [[New Zealand]].
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[[Category:Glaciers of Antarctica]]
'''Odin Glacier''' ({{coor dm|77|35|S|161|36|E|}}) is a small [[glacier]] that drains the west slopes of [[Mount Odin]] in the [[Asgard Range]], [[Victoria Land]]. Named by [[New Zealand Antarctic Place-Names Committee]] (NZ-APC) in association with Mount Odin.
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[[Category:Glaciers of Antarctica]]
'''Odin Valley''' ({{coor dm|77|36|S|161|43|E|}}) is an ice free [[valley]] immediately east of [[Mount Odin]] in the [[Asgard Range]], [[Victoria Land]]. Named by [[New Zealand Antarctic Place-Names Committee]] (NZ-APC) in association with Mount Odin.
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[[Category:Valleys of Antarctica]]
'''Mount Odin''' ({{coor dm|66|26|S|64|3|W|}}) is a saddle-top [[mountain]] consisting of two ice-covered peaks, 1,465 m, situated close southwest of [[Frigga Peak]] on the divide between Anderson and [[Sleipnir Glaciers]], on the east coast of [[Graham Land]]. During 1947 the [[peak]] was photographed from the air by the [[Ronne Antarctic Research Expedition]] (RARE) and charted from the ground by the [[Falkland Islands Dependencies Survey]] (FIDS). Named by the FIDS after the Norse god Odin, the mythological husband of Frigga.
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[[Category:Mountains of Antarctica|Odin, Mount]]
'''Mount Odin''' ({{coor dm|77|35|S|161|39|E|}}) is the most prominent, though not the highest [[peak]] in the [[Asgard Range]], rising over 2,000 m just south of [[Lake Vanda]] in [[Victoria Land]]. Named by the [[Victoria University of Wellington Antarctic Expedition]] (VUWAE) (1958-59) for one of the Norse gods.
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[[Category:Mountains of Antarctica|Odin, Mount]]
'''Odinokaya Nunatak''' ({{coor dm|71|32|S|6|10|E|}}) is a small, isolated [[nunatak]] about 15 nautical miles (28 km) northwest of the [[Jaren Crags]], [[Muhlig-Hofmann Mountains]], in [[Queen Maud Land]]. Mapped by [[Norsk Polarinstitutt]] from surveys and air photos by [[Norwegian Antarctic Expedition]], 1956-60. Also mapped by the [[Soviet Antarctic Expedition]] in 1961 and named [[Gora Odinokaya]] (solitary hill).
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[[Category:Mountains of Antarctica]]
'''Mount Odishaw''' ({{coor dm|84|42|S|174|54|E|}}) is a high, prominent [[mountain]], 3,965 m, forming a distinctive landmark 9 nautical miles (17 km) south-southwest of [[Mount Kaplan]], in the [[Hughes Range]]. Discovered and photographed by [[R. Admiral Byrd]] on the [[Baselaying Flight]] of [[November 18]], [[1929]], and surveyed by [[A.P. Crary]] in 1957-58. Named by the latter for [[Hugh Odishaw]], [[Executive Secretary]] of the [[U.S. National Committee]] for the IGY.
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[[Category:Mountains of Antarctica|Odishaw, Mount]]
'''Odom Inlet''' ({{coor dm|71|30|S|61|20|W|}}) is an ice-filled inlet 9 nautical miles (17 km) long, between [[Cape Howard]] and [[Cape MacDonald]] along the east coast of [[Palmer Land]]. Discovered by members of the [[United States Antarctic Service]] (USAS) who explored this coast from [[East Base]] both by land and from the air in 1940. Named for [[Howard Odom]], radio operator at the East Base.
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[[Category:Geography of Antarctica]]
'''Oehlenschlager Bluff''' ({{coor dm|75|3|S|136|42|W|}}) is a steep rock bluff overlooking [[Hull Glacier]] from the north. It marks the southwest extremity of [[Erickson Bluffs]] and [[McDonald Heights]] in [[Marie Byrd Land]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1959-65. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Richard J. Oehlenschlager]], member of the biological party that made population studies of seals, whales, and birds in the pack ice of the Bellingshausen and [[Amundsen Seas]] using USCGC Southwind and its two helicopters, 1971-72.
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[[Category:Geography of Antarctica]]
'''Oeschger Bluff''' ({{coor dm|76|24|S|111|48|W|}}) is a flat-topped snow and rock bluff that projects from the southeast part of [[Mount Takahe]] in [[Marie Byrd Land]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] tricamera aerial photography, 1959-66. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Hans Oeschger]] (University of Bern, Switzerland), [[United States Antarctic Research Program]] (USARP) glaciologist at [[Byrd Station]], 1968-69 and 1969-70.
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[[Category:Geography of Antarctica]]
'''The Office Boys''' ({{coor dm|55|1|S|34|39|W|}}) is a group of rocks at the northeast end of the [[Clerke Rocks]], lying some 40 nautical miles (70 km) east-southeast of the southeast end of [[South Georgia]]. Clerke Rocks were discovered by Captain [[James Cook]] in 1775. The Office Boys were charted and probably named by DI personnel who made surveys in the South Georgia area in the period 1926-30.
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[[Category:Geography of Antarctica|Office Boys, The]]
'''The Office Girls''' ({{coor dm|72|20|S|160|1|E|}}) is a two prominent rock [[nunatak]]s along an ice cliff, situated 7 nautical miles (13 km) southwest of [[Welcome Mountain]] in the [[Outback Nunataks]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1959-64. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) to express appreciation for the dedicated support provided to Antarctic programs by home-based personnel.
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[[Category:Geography of Antarctica|Office Girls, The]]
'''Offset Ridge''' ({{coor dm|71|41|S|68|32|W|}}) is a ridge extending west from [[Triton Point]] between [[Venus Glacier]] and [[Neptune Glacier]] in eastern [[Alexander Island]]. Mapped by Directorate of [[Overseas Surveys]] from satellite imagery by [[U.S. National Aeronautics]] and [[Space Administration]] in cooperation with [[U.S. Geological Survey]]. The ridge is kinked in the middle and is effectively formed of two ridges offset from one another; thus, the descriptive name applied by [[United Kingdom Antarctic Place-Names Committee]] (UK-APC).
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[[Category:Geography of Antarctica]]
'''Ogden Heights''' ({{coor dm|73|58|S|161|40|E|}}) is a flattish, mainly ice-covered heights, about 7 nautical miles (13 km) long, forming a part of the south wall of upper [[Priestley Glacier]] to the southeast of [[Tantalus Peak]], [[Victoria Land]]. The heights are near where the southern party of the [[New Zealand Geological Survey Antarctic Expedition]] (NZGSAE), 1962-63, was landed. Named by them for Lieutenant [[John H. Ogden]], [[U.S. Navy]], pilot who airlifted the party to this point, flew in their resupply, and later flew the party back to base at the end of the season.
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[[Category:Geography of Antarctica]]
'''Ogi Beach''' ({{coor dm|69|8|S|39|26|E|}}) is a beach at the head of the [[cove]] in southern [[Rumpa Island]], in the eastern part of [[Lutzow-Holm Bay]]. Mapped by the [[Japanese Antarctic Research Expedition]] (JARE). The name Ogi-hama ([[Oogi Hama]]), meaning "fan beach," was applied by JARE Headquarters in 1973.
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[[Category:Geography of Antarctica]]
'''Ohau Peak''' ({{coor dm|77|30|S|168|42|E|}}) is a sharp rock [[peak]] 1.9 nautical miles (3.5 km) northeast of the summit of [[Mount Terror]] on [[Ross Island]]. The feature rises to c.2400 m and is central in three aligned summits 0.8 nautical miles (1.5 km) north of [[Mount McIntosh]]. Named by [[New Zealand Geographic Board]] (NZGB) (2000) after a peak near the locality of Tekapo ([[Tekapo Ridge]], q.v.), [[New Zealand]].
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[[Category:Mountains of Antarctica]]
'''Ohio Range''' ({{coor dm|84|45|S|114|0|W|}}) is a range about 30 nautical miles (60 km) long and 10 nautical miles (18 km) wide, extending WSW-ENE from [[Eldridge Peak]] to [[Mirsky Ledge]]. The range forms the northeast end of the [[Horlick Mountains]] and consists primarily of a large snow-topped plateau with steep northern cliffs and several flat-topped ridges and mountains. The highest point, 2,990 m, is the summit of [[Mount Schopf]]. The range was surveyed in 1958-59 by the [[United States Antarctic Research Program]] (USARP) [[Horlick Mountains Traverse]], and was investigated in 1960-61 and 1961-62 by geologists of the Institute of [[Polar Studies]] of [[Ohio State University]], for which the range is named.
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[[Category:Mountain ranges of Antarctica]]
'''Ohlin Island''' ({{coor dm|63|30|S|60|7|W|}}) is an [[island]] lying 6 nautical miles (11 km) west of the north end of [[Tower Island]] in the [[Palmer Archipelago]]. Discovered by the [[Swedish Antarctic Expedition]], 1901-04, and named by Nordenskjold for [[Axel Ohlin]], zoologist with the expedition.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''Mount Ohridsky''' ({{coor dm|69|31|S|71|30|W|}}) is an ice-covered [[mountain]] rising to about 1,500 m, 5 nautical miles (9 km) south of [[Mount Braun]], in the south part of [[Sofia Mountains]], [[Alexander Island]]. The name results from geological work in the area in February 1988 by a field party composed of members of [[British Antarctic Survey]] (BAS) and the first [[Bulgarian Antarctic Expedition]]. Named after [[Kliment Ohridsky]] (Okhridsky), Bulgarian scholar, whose name is officially associated with the University of Sofia.
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[[Category:Mountains of Antarctica|Ohridsky, Mount]]
'''Mount Ojakangas''' ({{coor dm|77|36|S|86|15|W|}}) is an elongated [[mountain]] rising to about 2,450 m, 2 nautical miles (3.7 km) northwest of [[Mount Washburn]] in the north part of the [[Sentinel Range]], [[Ellsworth Mountains]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) in 1982 after [[Richard Ojakangas]], Professor of Geology, University of Minnesota, Duluth, a member of the [[United States Antarctic Research Program]] (USARP) [[Ellsworth Mountains Expedition]], 1979-80.
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[[Category:Mountains of Antarctica|Ojakangas, Mount]]
'''Okskaya Nunatak''' ({{coor dm|71|58|S|13|47|E|}}) is an elongated [[nunatak]], 2,295 m, at the north end of [[Rimekalvane Nunataks]] in the [[Weyprecht Mountains]], [[Queen Maud Land]]. Discovered and plotted from air photos by [[German Antarctic Expedition]], 1938-39. Mapped from air photos and surveys by [[Norwegian Antarctic Expedition]], 1956-60; remapped by [[Soviet Antarctic Expedition]], 1960-61, and named presumedly after the river Oka.
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[[Category:Mountains of Antarctica]]
'''Oku-hyoga Rock''' ({{coor dm|70|6|S|39|1|E|}}) is a rock which is the farthest south bare rock exposed along the east side of [[Shirase Glacier]], in [[Queen Maud Land Mapped]] from surveys and air photos by [[Japanese Antarctic Research Expedition]] (JARE) 1957-62, and named Oku-hyoga-iwa (inner [[glacier]] rock) because of its position.
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[[Category:Geography of Antarctica]]
'''Oku-iwa Glacier''' ({{coor dm|68|42|S|40|46|E|}}) is a [[glacier]] flowing to the sea just west of Oku-iwa Rock on the coast of [[Queen Maud Land]]. Mapped from surveys and air photos by [[Japanese Antarctic Research Expedition]] (JARE), 1957-62, and named after nearby Oku-iwa Rock.
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[[Category:Glaciers of Antarctica]]
'''Oku-iwa Rock''' ({{coor dm|68|42|S|40|50|E|}}) is a substantial rock exposure just east of Oku-iwa Glacier on the coast of [[Queen Maud Land]]. Mapped from surveys and air photos by [[Japanese Antarctic Research Expedition]] (JARE), 1957-62, and named Oku-iwa (interior rock). The name presumably suggests the interior position of the rock with respect to the minor recession of the coast along which the rock is located.
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[[Category:Geography of Antarctica]]
'''Okuma Bay''' ({{coor dm|77|50|S|158|20|W|}}) is a [[bay]] indenting the front of [[Ross Ice Shelf]] at its juncture with [[Edward VII Peninsula]]. It was discovered by the ''Discovery'' expedition under Scott in 1902. Named by the [[Japanese Antarctic Expedition]] under Lieutenant [[Nobu Shirase]] (1911-12) after [[Count Shigenobu Okuma]] (1838-1922), Premier of Japan.
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[[Category:Geography of Antarctica]]
'''Olander Nunatak''' ({{coor dm|74|25|S|72|7|W|}}) is an one of several somewhat scattered [[nunatak]]s which rise above the ice of eastern [[Ellsworth Land]], lying 5 nautical miles (9 km) east of [[Tollefson Nunatak]] and 27 nautical miles (50 km) north-northwest of [[Sky-Hi Nunataks]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1961-67. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[R.E. Olander]], electronics technician at [[Eights Station]] in 1963.
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[[Category:Mountains of Antarctica]]
'''Olav Peak''' ({{coor dm|54|25|S|3|25|E|}}) is a snow-covered [[peak]] (780 m) which stands 1.5 nautical miles (2.8 km) south of [[Cape Valdivia]] and surmounts the north-central part of Bouvetoya. The recommended name was applied in December 1927 by the Norvegia expedition under Captain [[Harald Horntvedt]]. Although the name "[[Kaiser Wilhelm Pik]]" appears on the chart of the [[German Valdivia]] expedition of 1898 as applying to this peak, the accompanying expedition report indicates that name is intended for the entire summit area of the [[island]], not this single peak.
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[[Category:Mountains of Antarctica]]
'''Olav Rocks''' ({{coor dm|54|3|S|37|7|W|}}) is a small group of rocks lying 0.6 nautical miles (1.1 km) east-southeast of [[Cape Crewe]] off the north coast of [[South Georgia]]. Charted by DI personnel during the period 1927-30, and so named because the rocks serve as a guide to vessels entering [[Prince Olav Harbor]]. The incorrect spelling, "[[Prince Olaf Rocks]]," appearing on the charts by DI personnel has been corrected. A shortened form of the original name is approved.
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[[Category:Geography of Antarctica]]
'''The Old Man''' ({{coor dm|54|4|S|37|8|W|}}) is a point lying between Squire and [[Sheep Points]] in [[Cook Bay]], [[South Georgia]]. The name appears on a 1938 [[British Admiralty]] chart.
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[[Category:Geography of Antarctica|Old Man, The]]
'''Old Mans Head''' ({{coor dm|72|22|S|60|45|W|}}) is a dark [[headland]] marking the south side of the entrance to [[Wust Inlet]], on the east coast of [[Palmer Land]]. Discovered and photographed from the air in December 1940 by members of the [[United States Antarctic Service]] (USAS). During 1947 the headland was photographed from the air by the [[Ronne Antarctic Research Expedition]] (RARE), who in conjunction with the [[Falkland Islands Dependencies Survey]] (FIDS) charted it from the ground. This descriptive name was given by the FIDS.
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[[Category:Geography of Antarctica]]
'''Mount Oldenburg''' ({{coor dm|82|4|S|87|55|W|}}) is a partly snow-covered [[peak]] 0.5 nautical miles (0.9 km) east of [[Mount Helms]] in the east part of [[Martin Hills]]. The peak was sketched by [[J. Campbell Craddock]] in January 1963. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Margaret Oldenburg]], who has been interested in polar exploration and research for a number of years, and who is well known to polar workers because of her gifts of books, photographs and other materials to isolated IGY and [[Weather Bureau]] stations. Application of the name was suggested by a number of persons including [[Edward C. Thiel]] who, with J. Campbell Craddock, conducted an airlifted geophysical traverse along the 88th meridian near this feature in 1959-60.
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[[Category:Mountains of Antarctica|Oldenburg, Mount]]
'''Mount Oldfield''' ({{coor dm|66|50|S|50|38|E|}}) is a coastal [[mountain]] at the east side of [[Amundsen Bay]], standing close west of [[Mount Hardy]] in the [[Tula Mountains]]. Photographed and mapped by ANARE ([[Australian National Antarctic Research Expeditions]]) in 1956. Visited and positioned by [[G.A. Knuckey]] of ANARE in November 1958. Named by [[Antarctic Names Committee of Australia]] (ANCA) for [[R.E.T. Oldfield]], radio officer at [[Mawson Station]] in 1958.
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[[Category:Mountains of Antarctica|Oldfield, Mount]]
Site of camp occupied by G. Knuckey, I. McLeod and R. E. Oldfield November 1958.
'''Oldham Island''' ({{coor dm|67|32|S|61|42|E|}}) is an [[island]] in the east part of the [[Stanton Group]], off Mac. [[Robertson Land]]. Mapped by Norwegian cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37, and named Andoya (duck island). Renamed by [[Antarctic Names Committee of Australia]] (ANCA) for [[Hugh Oldham]], biologist and magnetician at [[Mawson Station]] in 1955.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Oldroyd Island''' ({{coor dm|68|32|S|77|54|E|}}) is a small [[island]] 0.2 nautical miles (0.4 km) northwest of [[Magnetic Island]], lying off the [[Vestfold Hills]] in the east part of [[Prydz Bay]]. Mapped by Norwegian cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37. Remapped by ANARE ([[Australian National Antarctic Research Expeditions]]) (1957-58) and named by [[Antarctic Names Committee of Australia]] (ANCA) for [[K.C. Oldroyd]], weather observer at [[Davis Station]] in 1960.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Olds Peak''' ({{coor dm|84|40|S|174|41|W|}}) is a [[peak]] (1,480 m) standing 6 nautical miles (11 km) northeast of [[Mount Kenney]] in the south part of [[Longhorn Spurs]], [[Queen Maud Mountains]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Commander [[Corwin A. Olds]], [[U.S. Navy]], who participated in [[Antarctic Support Activity]] during [[U.S. Navy Operation Deepfreeze]] 1964.
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[[Category:Mountains of Antarctica]]
'''Olentangy Glacier''' ({{coor dm|86|0|S|127|20|W|}}) is a [[glacier]] draining that portion of the [[Wisconsin Plateau]] of the [[Horlick Mountains]] that stands east-northeast of [[Sisco Mesa]], flowing south to merge into [[McCarthy Glacier]] and the larger [[Reedy Glacier]] to the southwest of [[Mount McNaughton]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1960-64. The name was proposed by the [[Ohio State University]] geological party to the Horlick Mountains, 1964-65. [[The Olentangy River]] flows through the University campus.
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[[Category:Glaciers of Antarctica]]
'''Oliphant Islands''' ({{coor dm|60|45|S|45|36|W|}}) is a group of small ice-free islands and rocks lying south of [[Gourlay Peninsula]], the southeast extremity of [[Signy Island]] in the [[South Orkney Islands]]. Dove Channel extends through this group in a general east-west direction. The group was roughly charted in 1912-13 by [[Petter Sorlle]], Norwegian whaling captain, and again in 1933 by DI personnel. Surveyed in 1947 by the [[Falkland Islands Dependencies Survey]] (FIDS) and named by them for Professor [[Marcus L.E. Oliphant]], then professor of physics, [[Birmingham University]]; later director of the [[Research School]] of [[Physical Sciences]], [[Australian National University]], who gave assistance to the FIDS in obtaining equipment.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''Oliver Glacier''' ({{coor dm|82|34|S|163|45|E|}}) is a [[glacier]] draining the area west and south of [[Mount Christchurch]] and entering [[Lowery Glacier]] just north of the [[Taylor Hills]]. Mapped by the [[United States Geological Survey]] (USGS) from tellurometer surveys and Navy air photos, 1960-62. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Edward J. Oliver]], [[United States Antarctic Research Program]] (USARP) glaciologist at [[South Pole Station]], 1961-62.
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[[Category:Glaciers of Antarctica]]
'''Oliver Island''' ({{coor dm|69|19|S|68|37|W|}}) is the largest of the [[Mica Islands]], lying outside the entrance to [[West Bay]] and 6 nautical miles (11 km) northeast of [[Cape Jeremy]] in south [[Marguerite Bay]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) in 1977 for [[David L. Oliver]], CS1, [[U.S. Navy]], cook, [[Palmer Station]], winter party 1972.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Oliver Nunatak''' ({{coor dm|84|5|S|66|8|W|}}) is an one of the [[Rambo Nunataks]], lying 2 nautical miles (3.7 km) south of [[Sowle Nunatak]] on the west side of [[Foundation Ice Stream]], in the [[Pensacola Mountains]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1956-66. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Thomas H. Oliver]], electronics technician at [[Plateau Station]], winter 1967.
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[[Category:Mountains of Antarctica]]
'''Oliver Peak''' ({{coor dm|77|37|S|161|3|E|}}) is a prominent [[peak]] (2,410 m) located 4 nautical miles (7 km) north-northwest of [[Round Mountain]] in the [[Asgard Range]], [[Victoria Land]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Leon Oliver]] of [[New Zealand]], who participated in the international [[Dry Valley Drilling Project]] as chief driller (1973-74) and drilling superintendent (1974-75).
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[[Category:Mountains of Antarctica]]
'''Mount Oliver''' ({{coor dm|84|56|S|173|44|W|}}) is a [[peak]] over 3,800 m, standing 2 nautical miles (3.7 km) southeast of [[Mount Campbell]] in the [[Prince Olav Mountains]]. Discovered and photographed by the [[United States Antarctic Service]] (USAS), 1939-41. Surveyed by [[A.P. Crary]] (1957-58) and named by him for [[Norman Oliver]], [[Air Force Cambridge Research Center]], who was [[Antarctic Project Leader]] for aurora operations, 1957-60.
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[[Category:Mountains of Antarctica|Oliver, Mount]]
'''Olivine Point''' ({{coor dm|60|40|S|45|29|W|}}) is the southern end of the low-lying [[peninsula]] which forms the east limit of [[Iceberg Bay]] on the south coast of [[Coronation Island]], in the [[South Orkney Islands]]. Surveyed by the [[Falkland Islands Dependencies Survey]] (FIDS) in 1948-49, and so named by them because the mineral olivine occurs in the igneous dikes intersecting the peninsula just north of the point.
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[[Category:Geography of Antarctica]]
'''Ollivant Point''' ({{coor dm|57|46|S|26|31|W|}}) is the westernmost point of [[Saunders Island]], [[South Sandwich Islands]]. Named by [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) for [[Captain Martin S. Ollivant]], [[Royal Navy]], Captain of HMS Protector at the time of her survey of the [[island]] in 1964.
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[[Category:Geography of Antarctica]]
'''Olliver Peak''' ({{coor dm|84|34|S|173|33|W|}}) is a rock [[peak]] (630 m) along the edge of [[Ross Ice Shelf]]. It stands at the east side of the mouth of [[Barrett Glacier]] and is the northwesternmost summit in [[Gabbro Hills]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Commander [[George R. Olliver]], [[U.S. Navy]], who was injured in the crash of an Otter aircraft on [[December 22]], [[1955]], following a take-off from near [[Cape Bird]].
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[[Category:Mountains of Antarctica]]
'''Olsen Crags''' ({{coor dm|86|12|S|160|48|W|}}) is a rugged crags surmounting a small but conspicuous [[mountain]] block that projects into the east side of [[Amundsen Glacier]] just north of [[Epler Glacier]], in the [[Queen Maud Mountains]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1960-64. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Karinius Olsen]], cook on the Fram, the ship of Amundsen's Norwegian expedition of 1910-12. This naming preserves the spirit of Amundsen's 1911 commemoration of "[[Mount K. Olsen]]," a name applied for an unidentifiable mountain in the general area.
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[[Category:Geography of Antarctica]]
'''Olsen Peak''' ({{coor dm|77|32|S|86|29|W|}}) is a [[peak]], 2,140 m, standing 2 nautical miles (3.7 km) northwest of [[Mount Wyatt Earp]] near the north end of the [[Sentinel Range]]. Discovered by [[Lincoln Ellsworth]] on his trans-Antarctic flight of [[November 23]], [[1935]]. Named by the [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Hartveg Olsen]], captain of Ellsworth's expedition ship [[Wyatt Earp]] in 1935-36.
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[[Category:Mountains of Antarctica]]
'''Olsen Peak''' ({{coor dm|79|40|S|155|31|E|}}) is a [[peak]] with local relief of about 200 m between [[Mason Nunatak]] and [[Score Ridge]] in the [[Meteorite Hills]], [[Darwin Mountains]]. Named after [[Edward Olsen]] of the [[Field Museum]] of [[Natural History]], Pittsburgh, PA, co-investigator with [[W.A. Cassidy]] on a search for meteorites at [[Allan Hills]], austral summer 1976-77.
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[[Category:Mountains of Antarctica]]
'''Olsen Rock''' ({{coor dm|54|4|S|38|0|W|}}) is a rock lying 0.5 nautical miles (0.9 km) southeast of [[Cape Paryadin]], off the west end of [[South Georgia]]. Charted by DI personnel in 1926-27. Surveyed by the SGS in the period 1951-57, and named by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) for [[Soren Olsen]], gunner of the [[South Georgia Whaling Co]]. at [[Leith Harbor]], 1926-30, 1933-39 and 1945-53.
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[[Category:Geography of Antarctica]]
'''Olsen Valley''' ({{coor dm|54|12|S|36|41|W|}}) is a [[valley]] extending from [[Husvik Harbor]] in [[Stromness Bay]] to [[Carlita Bay]] in [[Cumberland West Bay]], on the north side of [[South Georgia]]. The feature was known to early whalers and sealers at South Georgia. It was surveyed by the SGS in the period 1951-57, and named by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) for [[Nils E. Olsen]], Manager of [[Tonsberg Hvalfangeri]], Husvik, 1950-56.
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[[Category:Valleys of Antarctica]]
'''Mount Olsen''' ({{coor dm|53|1|S|73|20|E|}}) is a snow-covered [[peak]] (635 m) standing 0.2 nautical miles (0.4 km) east of [[Hayter Peak]] on [[Laurens Peninsula]], in the northwest part of [[Heard Island]]. The feature appears to have been roughly charted on an 1860 sketch map compiled by Captain [[H.C. Chester]], American sealer operating in the area during this period. It was surveyed in 1948 by ANARE ([[Australian National Antarctic Research Expeditions]]), who named it for [[Bjarne Olsen]], first mate on the whale catcher Kidalkey which visited the [[island]] in January 1929.
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[[Category:Mountains of Antarctica|Olsen, Mount]]
'''Olson Glacier''' ({{coor dm|72|49|S|166|41|E|}}) is a tributary [[glacier]] descending westward from [[Malta Plateau]] to enter [[Seafarer Glacier]], in the [[Victory Mountains]], [[Victoria Land]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1960-62. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Richard D. Olson]] of the Office of [[Antarctic Programs]], [[National Science Foundation]], who participated in research administration activities at [[McMurdo Station]], 1967-68.
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[[Category:Glaciers of Antarctica]]
'''Olson Island''' ({{coor dm|77|14|S|153|17|W|}}) is the largest and northernmost of the ice-covered [[White Islands]], in southern [[Sulzberger Bay]]. The feature is rudely delineated on the map of the [[Byrd Antarctic Expedition]], 1928-30, and is indicated as "low ice cliffs" that rise above the [[ice shelf]] in this part of the [[bay]]. Mapped in detail by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1959-65. Named for [[Michael L. Olson]], [[United States Antarctic Research Program]] (USARP) ionospheric physicist at [[Byrd Station]], winter party 1968, and a member of the [[Plateau Station]] summer party, 1968-69.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Olson Neve''' ({{coor dm|82|7|S|158|0|E|}}) is a neve on the northwest side of [[Cobham Range]] which nourishes the Lucy and [[Prince Philip Glaciers]], in the [[Churchill Mountains]]. Mapped by the Holyoake, Cobham and [[Queen Elizabeth Ranges]] party of the [[New Zealand Geological Survey Antarctic Expedition]] (NZGSAE) (1964-65). Named for Lieutenant [[Dennis A. Olson]], [[U.S. Navy]], who flew the [[New Zealand]] party to the neve and supported it during the summer season. The feature is incorrectly identified as "[[Olsen Neve]]" on some maps of the late 1960s.
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[[Category:Geography of Antarctica]]
'''Olson Nunatak''' ({{coor dm|74|55|S|162|28|E|}}) is a bare rock [[nunatak]] lying at the south side of the terminus of [[Reeves Glacier]], 4 nautical miles (7 km) north of the summit of [[Mount Gerlache]], in [[Victoria Land]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1955-63. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[James J. Olson]], geophysicist with the [[United States Antarctic Research Program]] (USARP) [[Ross Ice Shelf]] party in the 1961-62 season.
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[[Category:Mountains of Antarctica]]
'''Olson Peaks''' ({{coor dm|79|16|S|160|5|E|}}) is a two close-lying peaks, the higher 1,335 m, standing 4 nautical miles (7 km) west of [[Cape Lankester]] on the north side of [[Bertoglio Glacier]]. Mapped by the [[United States Geological Survey]] (USGS) from tellurometer surveys and Navy air photos, 1959-63. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Gary D. Olson]], a member of the [[U.S. Army]] aviation support unit for [[Topo North]] and [[Topo South]] (1961-62) which conducted the tellurometer surveys.
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[[Category:Mountains of Antarctica]]
'''Olstad Glacier''' ({{coor dm|68|50|S|90|41|W|}}) is a heavily crevassed [[glacier]] descending to the west coast of [[Peter I Island]] about 2 nautical miles (3.7 km) south of [[Tofte Glacier]]. Peter I Island was circumnavigated by the Norwegain whale catcher [[Odd I]] in January 1927 and was explored from the Norvegia in February 1929. The glacier is named for [[Ola Olstad]], Norwegian zoologist who, transported by various whaling ships, conducted research in [[South Georgia]], [[South Shetland Islands]] and [[Palmer Archipelago]] in 1927-28.
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[[Category:Glaciers of Antarctica]]
'''Olstad Peak''' ({{coor dm|54|29|S|37|5|W|}}) is a [[peak]], 650 m, surmounting [[Annenkov Island]] off the south coast of [[South Georgia]]. First observed in 1775 by a British expedition under Cook. It was surveyed by the SGS in the period 1951-57, and named by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) for [[Ola Olstad]], Norwegian zoologist, member of the Norwegian expedition under Horntvedt, 1927-28, and chief scientist of the Norwegian expedition under [[Nils Larsen]], 1928-29.
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[[Category:Mountains of Antarctica]]
'''Oluf Rocks''' ({{coor dm|63|41|S|60|10|W|}}) is a small group of rocks lying 3.5 nautical miles (6 km) east of [[Cape Neumayer]], [[Trinity Island]], in the [[Palmer Archipelago]]. Photographed by the [[Falkland Islands and Dependencies Aerial Survey Expedition]] (FIDASE) in 1955-57 and mapped from these photos by the [[Falkland Islands Dependencies Survey]] (FIDS). Named by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) in 1960 after the Danish freighter [[Oluf Sven]] (Captain [[J.C. Ryge]]) which transported the FIDASE to [[Deception Island]] in 1955 and 1956, and was used during the two summer seasons as a mobile base for operations by ground survey parties.
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[[Category:Geography of Antarctica]]
'''Olympus Range''' ({{coor dm|77|29|S|161|30|E|}}) is a primarily ice-free [[mountain]] range of [[Victoria Land]] with peaks over 2,000 m, between Victoria and [[McKelvey Valleys]] on the north and [[Wright Valley]] on the south. Mapped by the [[Victoria University of Wellington Antarctic Expedition]] (VUWAE), 1958-59, and named for the mythological home of the Greek gods. Peaks in the range are named for figures in Greek mythology.
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[[Category:Mountain ranges of Antarctica]]
'''Mount Olympus''' ({{coor dm|80|13|S|156|46|E|}}) is a rectangular, flat, ice-covered [[mountain]] over 2,400 m, standing 5 nautical miles (9 km) east of [[Mount Henderson]] in the [[Britannia Range]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN), in association with nearby [[Byrd Glacier]], after the [[Admiral Byrd]].
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[[Category:Mountains of Antarctica|Olympus, Mount]]
'''Omega Glacier''' ({{coor dm|68|37|S|41|1|E|}}) is a [[glacier]] flowing to the coast just south of [[Cape Omega]] in [[Queen Maud Land]]. Mapped from surveys and air photos by [[Japanese Antarctic Research Expedition]] (JARE), 1957-62, who gave the name.
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[[Category:Glaciers of Antarctica]]
'''Omega Island''' ({{coor dm|64|20|S|62|56|W|}}) is an [[island]] 2 nautical miles (3.7 km) long, which lies immediately south of [[Eta Island]] in the [[Melchior Islands]], [[Palmer Archipelago]]. This island, the largest feature in the southeast part of the Melchior Islands, is part of what was called "[[Ile Melchior]]" by the [[French Antarctic Expedition]] under Charcot, 1903-05, but the name Melchior now applies for the whole island group. Omega Island was roughly surveyed by DI personnel in 1927. The name Omega, derived from the last letter of the Greek alphabet, appears to have been first used on a 1946 Argentine government chart following surveys of the Melchior Islands by Argentine expeditions in 1942 and 1943.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''Omega Nunatak''' ({{coor dm|81|55|S|29|12|W|}}) is an isolated, flat-topped [[nunatak]] 21 nautical miles (39 km) south-southwest of the [[Whichaway Nunataks]]. First mapped in 1957-58 by the [[Commonwealth Trans-Antarctic Expedition]] and so named because it was the last rock outcrop seen, until [[Victoria Land]] was reached, on the transpolar route of the Commonwealth Trans-Antarctic Expedition in 1957-58.
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[[Category:Mountains of Antarctica]]
'''Omega Peak''' ({{coor dm|72|9|S|166|3|E|}}) is a [[peak]] 1 nautical mile (1.9 km) northeast of [[Le Couteur Peak]], in the [[Millen Range]]. So named by the [[Southern Party]] of NZFMCAE, 1962-63, because this was the last major peak climbed by the party, [[January 2]], [[1963]].
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[[Category:Mountains of Antarctica]]
'''Cape Omega''' ({{coor dm|68|34|S|40|59|E|}}) is a prominent rock cape between [[Omega Glacier]] and [[Daruma Rock]] on the coast of [[Queen Maud Land]]. Mapped from surveys and air photos by [[Japanese Antarctic Research Expedition]] (JARE), 1957-62, who gave the name.
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[[Category:Geography of Antarctica|Omega, Cape]]
'''Omicron Islands''' ({{coor dm|64|21|S|62|55|W|}}) is a group of small islands and rocks which lie close southeast of [[Omega Island]] in the [[Melchior Islands]], [[Palmer Archipelago]]. The name, derived from the 15th letter of the Greek alphabet, appears to have been first used on a 1946 Argentine government chart following surveys of these islands by Argentine expeditions in 1942 and 1943.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''Ommanney Bay''' ({{coor dm|60|33|S|45|32|W|}}) is a [[bay]] 2 nautical miles (3.7 km) wide between [[Prong Point]] and [[Foul Point]] on the north coast of [[Coronation Island]], in the [[South Orkney Islands]]. First seen and roughly charted by Captain [[George Powell]] and Captain [[Nathaniel Palmer]] in 1821. Recharted in 1933 by DI personnel on the [[Discovery II]] and named for [[Francis D. Ommanney]], zoologist on the staff of the [[Discovery Committee]].
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[[Category:Geography of Antarctica]]
'''Ommanney Glacier''' ({{coor dm|71|32|S|169|29|E|}}) is a [[valley]] [[glacier]], 20 nautical miles (37 km) long, meandering northward in the [[Admiralty Mountains]] to discharge into [[Relay Bay]], on the west side of [[Robertson Bay]], along the north coast of [[Victoria Land]]. Charted by the [[British Antarctic Expedition]], 1898-1900, under [[C.E. Borchgrevink]], who named it for [[Admiral Sir Erasmus Ommanney]], who had served in the [[Arctic Expedition]] of 1850.
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[[Category:Glaciers of Antarctica]]
'''Ommundsen Island''' ({{coor dm|66|20|S|110|22|E|}}) is an [[island]] just west of [[Midgley Island]] in the [[Windmill Islands]]. First mapped from air photos taken by [[U.S. Navy Operation Highjump]], 1946-47. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Audon Ommundsen]], transport specialist at [[Wilkes Station]] in 1958.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''Ondori Island''' ({{coor dm|69|0|S|39|32|E|}}) is a small [[island]] lying 1 nautical mile (1.9 km) north of [[Ongul Island]] and 0.8 nautical miles (1.5 km) west of Nesoya in the northeast part of [[Lutzow-Holm Bay]]. Mapped from surveys and air photos by the [[Japanese Antarctic Research Expedition]] (JARE), 1957-62. The name "Ondori-jima" (rooster island) was given by JARE Headquarters in 1972 in association with nearby [[Mendori Island]].
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Onezhskiye Nunataks''' ({{coor dm|71|35|S|7|3|E|}}) is a small group of [[nunatak]]s, the largest being [[Storkvarvsteinen Peak]], situated 9 nautical miles (17 km) north-northeast of Slettefjellet in the [[Muhlig-Hofmann Mountains]], [[Queen Maud Land]]. Mapped by [[Norsk Polarinstitutt]] from surveys and air photos by [[Norwegian Antarctic Expedition]], 1956-60. Also mapped by [[Soviet Antarctic Expedition]] in 1961; the name is an adjective derived from Onega, a river in the [[Soviet Union]].
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[[Category:Mountains of Antarctica]]
'''Ong Valley''' ({{coor dm|83|14|S|157|37|E|}}) is a mainly ice-free [[valley]] 5 nautical miles (9 km) long, just west of [[Kreiling Mesa]] in the [[Miller Range]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[John S. Ong]], [[United States Antarctic Research Program]] (USARP) traverse engineer on the [[South Pole Traverse]] (1962-63).
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[[Category:Valleys of Antarctica]]
'''Ongley Island''' ({{coor dm|62|26|S|59|54|W|}}) is a small [[island]] lying 2.5 nautical miles (4.6 km) west of [[Dee Island]], close off the north side of [[Greenwich Island]], in the [[South Shetland Islands]]. Charted in 1935 by DI personnel on the [[Discovery II]], but the name appears to have been first used on a 1948 Admiralty chart based upon this survey.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''Ongul Island''' ({{coor dm|69|1|S|39|32|E|}}) is an [[island]] 1.5 nautical miles (2.8 km) long, which is the largest feature in the [[Flatvaer Islands]] lying just within the east side of the entrance of [[Lutzow-Holm Bay]]. Mapped by Norwegian cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37. They believed this island to be connected to [[East Ongul Island]] and applied the name "Ongul" (fishhook), which is suggestive of the outline of the two islands taken together. In 1957, the [[Japanese Antarctic Research Expedition]] (JARE) found East Ongul Island to be a separate entity, but the name Ongul Island is retained for this largest island in the group.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Ongul Sound''' ({{coor dm|69|2|S|39|38|E|}}) is a [[sound]], 2 nautical miles (3.7 km) wide, between the east shore of [[Lutzow-Holm Bay]] and the [[Flatvaer Islands]] in which [[Ongul Island]] is the principal feature. Mapped by cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37, and named for its association with Ongul Island.
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[[Category:Geography of Antarctica]]
'''Ongulgalten Island''' ({{coor dm|69|4|S|39|36|E|}}) is the northernmost of three aligned islands lying 1 nautical mile (1.9 km) southeast of the [[Te Islands]], at the south end of the [[Flatvaer Islands]]. Mapped by Norwegian cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37, and named Ongulgalten (the fishhook boar) in association with nearby [[Ongul Island]].
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Ongulkalven Island''' ({{coor dm|69|1|S|39|27|E|}}) is an [[island]] lying 1 nautical mile (1.9 km) west of [[Ongul Island]] in [[Lutzow-Holm Bay]]. Mapped by Norwegian cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37, and named Ongulkalven (the fishhook calf).
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Onley Hill''' ({{coor dm|67|43|S|63|2|E|}}) is a bare rock hill, 840 m, standing 1 nautical mile (1.9 km) south of [[Mount Henderson]] in the northeast part of the [[Framnes Mountains]], Mac. [[Robertson Land]]. Mapped by Norwegian cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37, and named Sorkollen (the south knoll). Renamed by [[Antarctic Names Committee of Australia]] (ANCA) for [[L. Onley]], weather observer at [[Mawson Station]] in 1959.
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[[Category:Geography of Antarctica]]
'''Onlooker Nunatak''' ({{coor dm|71|54|S|162|22|E|}}) is an isolated [[nunatak]] which protrudes prominently above the ice of the [[Rennick Glacier]] just southeast of [[Morozumi Range]]. Named by the northern party of [[New Zealand Geological Survey Antarctic Expedition]] (NZGSAE), 1963-64. The name is suggestive of the aspect of the feature.
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[[Category:Mountains of Antarctica]]
'''Onnum Ridge''' ({{coor dm|80|7|S|156|25|E|}}) is a [[mountain]] spur that descends northeast to [[McCraw Glacier]], 3 nautical miles (6 km) south of [[Derrick Peak]] in the [[Britannia Range]]. Named in association with Britannia by a University of Waikato (N.Z.), geological party, 1978-79, led by [[M.J. Selby]]. Onnum is a historical placename formerly used in [[Roman Britain]].
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[[Category:Geography of Antarctica]]
'''Onnum Valley''' ({{coor dm|80|6|S|156|21|E|}}) is an ice-free [[valley]] between [[Derrick Peak]] and [[Onnum Ridge]] in [[Britannia Range]]. Named in association with Onnum Ridge by a University of Waikato (N.Z.) geological party, 1978-79, led by [[M.J. Selby]].
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[[Category:Valleys of Antarctica]]
'''Onyx River''' ({{coor dm|77|32|S|161|45|E|}}) is a meltwater stream which flows westward through the [[Wright Valley]] from [[Wright Lower Glacier]] to [[Lake Vanda]]. Mapped and named by the [[Victoria University of Wellington Antarctic Expedition]] (VUWAE), 1958-59.
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[[Category:Geography of Antarctica]]
'''Oom Bay''' ({{coor dm|67|26|S|60|44|E|}}) is a well-defined [[bay]], 2 nautical miles (3.7 km) wide, indenting the coast between [[Cape Bruce]] and [[Campbell Head]]. Discovered in February 1931 by the [[British Australian New Zealand Antarctic Research Expedition]] (BANZARE) under Mawson, who named it for Lieutenant [[K.E. Oom]], RAN, cartographer with the expedition.
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[[Category:Geography of Antarctica]]
'''Oom Island''' ({{coor dm|67|24|S|60|39|E|}}) is a small [[island]] 0.5 nautical miles (0.9 km) northeast of [[Campbell Head]], off the coast of Mac. [[Robertson Land]]. Mapped by Norwegian cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37, and named Uksoy. Renamed by [[Antarctic Names Committee of Australia]] (ANCA) for Lieutenant [[K.E. Oom]], RAN, a member of the [[British Australian New Zealand Antarctic Research Expedition]] (BANZARE), 1929-31.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Oona Cliff''' ({{coor dm|72|27|S|160|9|E|}}) is a north-facing rock and ice cliff, about 4 nautical miles (7 km) long, situated just northwest of [[Mount Walton]] in the [[Outback Nunataks]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1959-64. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Hain Oona]], ionospheric physicist at [[South Pole Station]], 1968.
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[[Category:Geography of Antarctica]]
'''Mount Oona''' ({{coor dm|83|9|S|162|36|E|}}) is a [[mountain]], 2,170 m, at the north end of the ridge between [[Helm Glacier]] and [[Lowery Glacier]] in the [[Queen Elizabeth Range]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Henn Oona]], [[United States Antarctic Research Program]] (USARP) aurora scientist at [[South Pole Station]], 1964.
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[[Category:Mountains of Antarctica|Oona, Mount]]
'''Operose Peak''' ({{coor dm|80|6|S|156|14|E|}}) is a [[peak]] above [[Onnum Valley]] to the southwest of [[Derrick Peak]] in the [[Britannia Range]]. The steep lower slopes of the peak are of Beacon sandstone; the top (2130 m) is made up of a thick dolerite sill. [[The Latin]] name means laborious or requiring great pain reflecting the steepness of the slopes.
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[[Category:Mountains of Antarctica]]
'''Opornyy Point''' ({{coor dm|69|48|S|13|0|E|}}) is an ice point along the west side of [[Lazarev Ice Shelf]], about 15 nautical miles (28 km) north of [[Leningradskiy Island]], in [[Queen Maud Land]]. Mapped by the [[Soviet Antarctic Expedition]] in 1959 and named [[Mys Opornyy]] (support point) because the [[ice shelf]] at this point rests on the ocean floor.
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[[Category:Geography of Antarctica]]
'''Oppegaard Spur''' ({{coor dm|84|29|S|177|22|W|}}) is a narrow rock spur, 2 nautical miles (3.7 km) long, extending northwest from the southwest portion of [[Mount Speed]], standing just east of [[Kosco Glacier]] where the latter enters [[Ross Ice Shelf]]. Discovered and photographed by the [[United States Antarctic Service]] (USAS), 1939-41. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Richard D. Oppegaard]], [[Seaman Apprentice]], [[U.S. Navy]], a member of the [[U.S. Naval Support Force]], Antarctica, who lost his life in a shipboard accident, [[November 8]], [[1957]].
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[[Category:Geography of Antarctica]]
'''Oppkuven Peak''' ({{coor dm|72|37|S|0|24|E|}}) is a [[peak]] 2 nautical miles (3.7 km) north of [[Gavlen Ridge]] in the [[Roots Heights]], [[Sverdrup Mountains]], in [[Queen Maud Land]]. Photographed from the air by the [[German Antarctic Expedition]] (1938-39). Mapped by Norwegian cartographers from surveys and air photos by [[Norwegian-British-Swedish Antarctic Expedition]] (NBSAE) (1949-52) and air photos by the Norwegian expedition (1958-59) and named Oppkuven (the ascent peak).
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[[Category:Mountains of Antarctica]]
'''Orca Peak''' ({{coor dm|54|16|S|36|32|W|}}) is a [[peak]], 395 m, standing west of Grytviken on the north coast of [[South Georgia]]. The name appears to be first used on a 1930 [[British Admiralty]] chart.
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[[Category:Mountains of Antarctica]]
'''Orca Seamount''' ({{coor dm|62|26|S|58|24|W|}}) is a seamount in the [[Bransfield Strait]]; named after the cetacean Orcinus orca ("[[Killer Whale]]"), often sighted in these waters. Name approved 2/2000 (ACUF 281). The variant name of [[Viehoff Seamount]] (approved in 6/95 ACUF 263) was named for Dr. [[Thomas Viehoff]], a remote sensing specialist in marine sciences. Name proposed by Dr. [[G.B. Udintsev]], [[Vernadsky Institute]] of Geochemistry (VIG).
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[[Category:Geography of Antarctica]]
'''Oread Spur''' ({{coor dm|72|35|S|168|53|E|}}) is a rock spur on the south side of [[Tucker Glacier]], 10 nautical miles (18 km) west of [[Crater Cirque]], on which a survey station was placed at a height of 1,185 m by the [[New Zealand Geological Survey Antarctic Expedition]] (NZGSAE), 1957-58. They named it Oread (mountain nymph), which is derived from Greek mythology.
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[[Category:Geography of Antarctica]]
'''Orel Ice Fringe''' ({{coor dm|64|46|S|62|36|W|}}) is a strip of coastal ice bordering the south side of [[Errera Channel]] between [[Beneden Head]] and [[Porro Bluff]], on the west coast of [[Graham Land]]. Mapped by the [[Falkland Islands Dependencies Survey]] (FIDS) from photos taken by [[Hunting Aerosurveys Ltd]]. in 1956-57. Named by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) in 1960 for Eduard von Orel (1877-1941), Austrian surveyor who in 1905 designed the first stereoautograph for plotting maps directly from horizontal photographs.
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[[Category:Geography of Antarctica]]
'''Orestes Glacier''' ({{coor dm|77|27|S|161|53|E|}}) is a narrow [[glacier]] within [[Orestes Valley]], aligned along the [[valley]]'s north wall, in the [[Olympus Range]], [[Victoria Land]]. Named after the valley by [[Advisory Committee on Antarctic Names]] (US-ACAN) in 1997.
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[[Category:Glaciers of Antarctica]]
'''Orestes Valley''' ({{coor dm|77|28|S|161|55|E|}}) is a small ice-free [[valley]] at the north side of [[Mount Orestes]] in the [[Olympus Range]], [[Victoria Land]]. Named in 1964 for its association with Mount Orestes by American geologist [[Parker E. Calkin]].
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[[Category:Valleys of Antarctica]]
'''Mount Orestes''' ({{coor dm|77|28|S|161|55|E|}}) is a prominent [[peak]], over 1,600 m, just east of [[Bull Pass]] in the [[Olympus Range]] of [[Victoria Land]]. Named by the [[Victoria University of Wellington Antarctic Expedition]] (VUWAE) (1958-59) for a figure in Greek mythology.
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[[Category:Mountains of Antarctica|Orestes, Mount]]
'''Orford Cliff''' ({{coor dm|66|55|S|66|29|W|}}) is a coastal cliff of [[Graham Land]], overlooking the east side of [[Lallemand Fjord]] just east of [[Andresen Island]]. Surveyed by [[Falkland Islands Dependencies Survey]] (FIDS) in 1956. Named for [[Michael J.H. Orford]], FIDS assistant surveyor at [[Detaille Island]] in 1956, a member of the party which found a route from Detaille Island to [[Avery Plateau]], via Orford Cliff and [[Murphy Glacier]].
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[[Category:Geography of Antarctica]]
'''Organ Peak''' ({{coor dm|66|56|S|67|0|W|}}) is the northernmost [[peak]] of [[Arrowsmith Peninsula]], [[Graham Land]]. Mapped in 1960 from surveys by [[Falkland Islands Dependencies Survey]] (FIDS). The name, which arose locally in 1956, is descriptive; the fluted appearance of this peak resembles the pipes of an organ.
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[[Category:Mountains of Antarctica]]
'''Organ Pipe Cliffs''' ({{coor dm|68|25|S|149|4|E|}}) is a line of coastal cliffs in the form of palisades of columnar dolerite overlooking the sea to the west of [[Cape Wild]]. Discovered by the [[Australasian Antarctic Expedition]] (1911-14) under [[Douglas Mawson]], who named them because of the similarity of the rock structure to organ pipes.
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[[Category:Geography of Antarctica]]
'''Organ Pipe Peaks''' ({{coor dm|86|3|S|150|0|W|}}) is a row of aiguille type rock peaks, 7 nautical miles (13 km) long, standing just north of [[Mount Harkness]] and east of [[Scott Glacier]] in the [[Gothic Mountains]]. Discovered by the geological party of the [[Byrd Antarctic Expedition]], 1933-35, who gave the descriptive name.
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[[Category:Mountains of Antarctica]]
'''The Organ Pipes''' ({{coor dm|82|37|S|52|42|W|}}) is a notable rock cliffs on the northwest side of [[Jaeger Table]], south of [[Cairn Ridge]], in the [[Dufek Massif]], [[Pensacola Mountains]]. The name is suggested by the appearance of the feature caused by weathering along prominent vertical joints in the gabbro rock. Named by [[Arthur B. Ford]], [[United States Geological Survey]] (USGS) geologist, leader of the USGS Pensacola Mountains survey party, 1978-79.
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[[Category:Geography of Antarctica|Organ Pipes, The]]
'''Organpipe Nunatak''' ({{coor dm|63|59|S|58|7|W|}}) is a [[nunatak]] rising to 150 m in the [[glacier]] flowing west into [[Holluschickie Bay]], in northwest [[James Ross Island]]. Named descriptively following [[British Antarctic Survey]] (BAS) geological work on the [[island]], 1985-86, from the excellent columnar jointing exhibited on the feature.
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[[Category:Mountains of Antarctica]]
'''Organpipe Point''' ({{coor dm|62|28|S|60|9|W|}}) is a prominent east-west aligned jagged [[headland]] rising to about 60 or 70 m above sea level. Formed of doleritic rock showing very conspicuous sub-vertical, continuous columnar joints resembling organ pipes.
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[[Category:Geography of Antarctica]]
'''Orheim Point''' ({{coor dm|79|23|S|84|19|W|}}) is a rock point at the end of [[Inferno Ridge]] in the [[Heritage Range]], [[Ellsworth Mountains]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1961-66. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Olav Orheim]], Norwegian glaciologist on the [[United States Antarctic Research Program]] (USARP) [[South Pole-Queen Maud Land Traverse II]], 1965-66.
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[[Category:Geography of Antarctica]]
'''Orion Massif''' ({{coor dm|70|23|S|66|47|W|}}) is a prominent massif, 14 nautical miles (26 km) long, with a complicated network of peaks, passes, ridges and cirques. Located 4 nautical miles (7 km) east-northeast of [[Scorpio Peaks]], between the upper parts of Meiklejohn and [[Millett Glaciers]], in [[Palmer Land]]. Named by [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) after the constellation of Orion.
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[[Category:Geography of Antarctica]]
'''Orleans Strait''' ({{coor dm|63|50|S|60|20|W|}}) is a strait running NE-SW and separating [[Trinity Island]] and [[Tower Island]] from [[Davis Coast]], [[Antarctic Peninsula]]. Possibly first seen by [[Nathaniel B. Palmer]], captain of the Hero, on [[November 18]], [[1820]]. Named and outlined in part by the [[French Antarctic Expedition]], 1837-40, under Captain [[Jules Dumont]] d'Urville. Charted in greater detail by the [[Swedish Antarctic Expedition]], 1901-04, under Nordenskjold. Presumably named for the royal house of Orleans; [[Louis Philippe]] (formerly Duc d'Orleans) was King of France at the time of d'Urville's voyage.
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[[Category:Geography of Antarctica]]
'''Mount Ormay''' ({{coor dm|70|44|S|66|42|E|}}) is a ridgelike [[mountain]] 1 nautical mile (1.9 km) south of [[Mount Butterworth]] in the [[Aramis Range]], [[Prince Charles Mountains]]. Plotted from ANARE ([[Australian National Antarctic Research Expeditions]]) air photos taken in 1956 and 1960. Named by [[Antarctic Names Committee of Australia]] (ANCA) for [[P.I. Ormay]], plumber at [[Wilkes Station]] in 1963.
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[[Category:Mountains of Antarctica|Ormay, Mount]]
'''Ormehausen Peak''' ({{coor dm|72|1|S|14|38|E|}}) is a [[peak]] at the north end of [[Linnormen Hills]] in the [[Payer Mountains]] of [[Queen Maud Land]]. Photographed from the air by the [[German Antarctic Expedition]] (1938-39). Mapped by Norwegian cartographers from surveys and air photos by the [[Norwegian Antarctic Expedition]] (1956-60) and named Ormehausen (the serpent's head).
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[[Category:Mountains of Antarctica]]
'''Ormeryggen''' ({{coor dm|72|4|S|14|33|E|}}) is the three major hills forming the central portion of [[Linnormen Hills]], standing southeast of [[Skavlho Mountain]] in the [[Payer Mountains]] of [[Queen Maud Land]]. Photographed from the air by the [[German Antarctic Expedition]] (1938-39). Mapped by Norwegian cartographers from surveys and air photos by the [[Norwegian Antarctic Expedition]] (1956-60) and named Ormeryggen (the serpent's back).
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[[Category:Geography of Antarctica]]
'''Ormesporden Hill''' ({{coor dm|72|5|S|14|19|E|}}) is a hill at the southwest end of [[Linnormen Hills]] in the [[Payer Mountains]] of [[Queen Maud Land]]. Mapped by Norwegian cartographers from surveys and air photos by the [[Norwegian Antarctic Expedition]] (1956-60) and named Ormesporden (the serpent's tail).
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[[Category:Geography of Antarctica]]
'''Mount Orndorff''' ({{coor dm|84|37|S|175|26|W|}}) is a [[peak]] (1,520 m) standing 5 nautical miles (9 km) south of [[Nilsen Peak]], at the west side of [[Massam Glacier]], in the [[Queen Maud Mountains]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Lieutenant Commander [[Howard J. Orndorff]], [[U.S. Navy]], a member of the winter party at [[McMurdo Station]] in 1963.
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[[Category:Mountains of Antarctica|Orndorff, Mount]]
'''Orne Harbor''' ({{coor dm|64|37|S|62|32|W|}}) is a [[cove]] 1 nautical mile (1.9 km) wide, indenting the west coast of [[Graham Land]] 2 nautical miles (3.7 km) southwest of [[Cape Anna]]. Discovered by the [[Belgian Antarctic Expedition]] under Gerlache in 1898. The name Orne Harbor was probably in use by Norwegian whalers, because it was used by Scottish geologist [[David Ferguson]] following his geologic reconnaissance of this area aboard the whaler Hanka in 1913.
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[[Category:Geography of Antarctica]]
'''Orne Islands''' ({{coor dm|64|40|S|62|40|W|}}) is a group of small islands lying close north of [[Ronge Island]], off the west coast of [[Graham Land]]. First roughly surveyed in 1898 by the [[Belgian Antarctic Expedition]] under Gerlache. The name Orne Islands was probably in use by Norwegian whalers, because it was used by Scottish geologist [[David Ferguson]] following his geological reconnaissance of this area aboard the Hanka in 1913.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''Ornen Rocks''' ({{coor dm|62|1|S|57|35|W|}}) is a group of rocks, some of which are above water, 1 nautical mile (1.9 km) northeast of [[Cape Melville]], [[King George Island]], in the [[South Shetland Islands]]. Named after the Norwegian whaler Ornen which went aground there about 1908 or 1909.
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[[Category:Geography of Antarctica]]
'''Orpheus Pass''' ({{coor dm|62|38|S|60|13|W|}}) is the 250 m wide pass in [[Eastern Livingston Island]] bounded by [[Pliska Ridge]] to the southeast and [[Burdick Ridge]] to the NW. Elevation just over 560 m. Part of the overland route from [[Balkan Plateau]] via the nameless saddle between [[Willan Nunatak]] and [[Burdick South Peak]], then via Orpheus Pass to upper [[Perunika Glacier]] and [[Mount Friesland]] area. Midpoint located 6,100 m east of [[Sinemorets Hill]]. The name Orpheus was originally applied in 1995 to a neighboring [[peak]], but due to priority of the existing British name form Willan Nunatak, transferred subsequently to the present feature.
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[[Category:Geography of Antarctica]]
'''Orr Glacier''' ({{coor dm|71|36|S|162|52|E|}}) is a tributary [[glacier]] which drains the large cirque between [[Mounts Moody]] and Bernstein in the [[Lanterman Range]], [[Bowers Mountains]], and flows west into [[Rennick Glacier]]. Mapped by [[United States Geological Survey]] (USGS) from ground surveys and [[U.S. Navy]] air photos, 1960-62. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Maj. [[Thomas L. Orr]], USA, Asst. [[Logistics Officer]] on the staff of the Commander, [[U.S. Naval Support Force]], Antarctica, 1968 and 1969.
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[[Category:Glaciers of Antarctica]]
'''Orr Island''' ({{coor dm|77|38|S|149|36|W|}}) is an ice-covered [[island]] 5 nautical miles (9 km) long, lying 3 nautical miles (6 km) southwest of [[Grinder Island]] in [[Marshall Archipelago]], off the coast of [[Marie Byrd Land]]. Mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1959-65. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for Lieutenant Commander [[Thomas E. Orr]], [[Supply Officer]] and Officer-in-Charge of the [[Para Rescue Team]] of [[U.S. Navy Squadron VX]]-6 during [[Operation Deep Freeze]] 1968.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Islands of Antarctica]]
'''Orr Peak''' ({{coor dm|83|29|S|157|49|E|}}) is a [[peak]] in the [[Miller Range]] overlooking [[Marsh Glacier]], forming the eastern salient in the bluffs southward of [[Argo Glacier]]. Observed in December 1957 by the [[New Zealand Southern Party]] of the [[Commonwealth Trans-Antarctic Expedition]] (1956-58). Named for [[H. Orr]], IGY scientist at [[Scott Base]] in 1957.
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[[Category:Mountains of Antarctica]]
'''Ortiz Island''' ({{coor dm|63|18|S|57|52|W|}}) is an [[island]] in the [[Duroch Islands]]. It lies 0.2 nautical miles (0.4 km) south of the eastern end of [[Largo Island]] and a like distance from the northern coast of [[Trinity Peninsula]]. The name was given by [[Martin Halpern]], leader of the University of Wisconsin (USARP) field party which geologically mapped the Duroch Islands, 1961-62. It honors [[Marcos Ortiz]] G., Captain of the Chilean ship its study of this area.
== See also ==
* [[List of antarctic and sub-antarctic islands]]
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[[Category:Sub-antarctic islands]]
'''Orton Cave''' ({{coor dm|66|23|S|110|27|E|}}) is a cave in the western wall of [[Cave Ravine]], [[Ardery Island]], in the [[Windmill Islands]]. Discovered in 1961 by Dr. [[M.N. Orton]], medical officer at [[Wilkes Station]], for whom it was named by [[Antarctic Names Committee of Australia]] (ANCA).
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[[Category:Geography of Antarctica]]
'''Orton Reef''' ({{coor dm|66|16|S|110|33|E|}}) is a reef with a least depth of 2 ft in the north part of [[Newcomb Bay]], located 0.5 nautical miles (0.9 km) north of [[Molholm Island]] in the [[Windmill Islands]]. Discovered and charted in February 1957 by a party from the USS [[Wilkes Station]], who assisted in an ANARE ([[Australian National Antarctic Research Expeditions]]) survey of Newcomb Bay in the 1961-62 season.
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[[Category:Geography of Antarctica]]
'''Orville Coast''' ({{coor dm|75|45|S|65|30|W|}}) is that portion of the coast of Antarctica lying west of [[Ronne Ice Shelf]] between [[Cape Adams]] and [[Cape Zumberge]]. Discovered by the [[Ronne Antarctic Research Expedition]] (RARE), 1947-48, under Ronne, who named this coast for Captain [[Howard T. Orville]], [[U.S. Navy]], Head of the [[Naval Aerological Service]], who was largely responsible for formulating the RARE meteorological program. The name Orville Coast is considered a more useful reference than "[[Orville Escarpment]]," the name originally applied for this area.
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[[Category:Geography of Antarctica]]
'''Orwell Bight''' ({{coor dm|60|43|S|45|23|W|}}) is a body of water lying south of the eastern half of [[Coronation Island]], bounded on the west by [[Signy Island]] and on the east by the [[Robertson Islands]], in the [[South Orkney Islands]]. The general nature of this [[Bight (geography)|bight]] was first delineated by [[Petter Sorlle]], Norwegian whaling captain who mapped this area in 1912-13. It was surveyed by DI personnel in 1933 and by the [[Falkland Islands Dependencies Survey]] (FIDS) in 1948-49. Named by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) for the Norwegian transport Orwell, the second ship of that name belonging to the [[Tonsberg Hvalfangeri]], which anchored in [[Borge Bay]], Signy Island, on the west side of this bight in the seasons 1925-26 to 1929-30.
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[[Category:Geography of Antarctica]]
'''Orwell Glacier''' ({{coor dm|60|43|S|45|38|W|}}) is a small [[glacier]], less than 0.5 nautical miles (0.9 km) long, which descends steeply from the south slopes of [[Snow Hills]] and terminates in 20 m ice cliffs along the south margin of [[Elephant Flats]] in the east part of [[Signy Island]], in the [[South Orkney Islands]]. Surveyed by DI personnel in 1927 and named by them for the Norwegian transport throughout the seasons 1925-26 to 1929-30. Resurveyed by the [[Falkland Islands Dependencies Survey]] (FIDS) in 1947.
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[[Category:Glaciers of Antarctica]]
'''Orwell Lake''' ({{coor dm|60|43|S|45|37|W|}}) is a small [[lake]] in [[Moraine Valley]], lying southeast of [[Orwell Glacier]] in the east part of [[Signy Island]], [[South Orkney Islands]]. The lake has developed with the retreat of Orwell Glacier in recent years. Named by the [[United Kingdom Antarctic Place-Names Committee]] (UK-APC) in 1981 in association with the [[glacier]].
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[[Category:Lakes of Antarctica]]
'''Mount Osborne''' ({{coor dm|78|37|S|84|47|W|}}) is a [[mountain]] (2,600 m) on the southwest side of [[Thomas Glacier]], 5 nautical miles (9 km) east of [[Mount Craddock]], in the [[Sentinel Range]], [[Ellsworth Mountains]]. First mapped by [[United States Geological Survey]] (USGS) from surveys and [[U.S. Navy]] air photos, 1957-59. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Thomas M. Osborne]], Navy builder, who helped construct and served at the [[South Pole Station]] with the winter party, 1957.
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[[Category:Mountains of Antarctica|Osborne, Mount]]
'''Oscar Cove''' ({{coor dm|64|55|S|62|55|W|}}) is a [[cove]] next west of [[Garzon Point]] in southern [[Paradise Harbor]], [[Danco Coast]], [[Graham Land]]. The cove was named "[[Caleta Oscar]]" by the [[Argentine Antarctic Expedition]], 1949-50, from the forename of the second-in- command of the expedition ship Chiriguano used in survey of the area.
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[[Category:Geography of Antarctica]]
'''Oscar II Coast''' ({{coor dm|65|45|S|62|30|W|}}) is that portion of the east coast of the [[Antarctic Peninsula]] between [[Cape Fairweather]] and [[Cape Alexander]]. Discovered in 1893 by Captain [[C.A. Larsen]], who named it for [[King Oscar II]] of Norway and Sweden.
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[[Category:Geography of Antarctica]]
'''Oscar Point''' ({{coor dm|74|35|S|164|53|E|}}) is a small rock point along the north shore of [[Terra Nova Bay]], 1 nautical mile (1.9 km) northwest of [[Markham Island]], in [[Victoria Land]]. Discovered by the [[British Antarctic Expedition]], 1898-1900, and named for [[King Oscar]] of Norway and Sweden. [[C.E. Borchgrevink]], the leader of this expedition, was a native of Norway. Originally charted by Borchgrevink as an [[island]], the feature is now known to be joined to the coast.
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[[Category:Geography of Antarctica]]
'''Osechka Peak''' ({{coor dm|71|31|S|15|26|E|}}) is a small [[peak]], 1,740 m, standing 6 nautical miles (11 km) south of [[Vorposten Peak]] in [[Lomonosov Mountains]], [[Queen Maud Land]]. Mapped from air photos and surveys by [[Norwegian Antarctic Expedition]], 1958-59; remapped by [[Soviet Antarctic Expedition]], 1960-61, and named [[Gora Osechka]] (misfire [[mountain]]).
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[[Category:Mountains of Antarctica]]
'''Osen Cove''' ({{coor dm|69|27|S|39|40|E|}}) is a [[lake]]-like [[cove]] that indents the north part of [[Skarvsnes Foreland]] and opens on [[Byvagen Bay]] at the east side of [[Lutzow-Holm Bay]]. Mapped by Norwegian cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37, and named Osen (the outlet).
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[[Category:Geography of Antarctica]]
'''Oshiage Beach''' ({{coor dm|69|38|S|39|27|E|}}) is a beach on the northeast side of [[Skallen Hills]] on the coast of [[Queen Maud Land]]. The beach faces an inlet which lies between Skallen Hills and the terminus of [[Skallen Glacier]]. Mapped from surveys and air photos by the [[Japanese Antarctic Research Expedition]] (JARE), 1957-62. The name "Oshiage-hama" (raised beach) was applied by JARE Headquarters in 1972.
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[[Category:Geography of Antarctica]]
'''Osicki Glacier''' ({{coor dm|84|41|S|170|45|E|}}) is a narrow, deeply entrenched [[glacier]] just south of [[Mount Deakin]] in the [[Commonwealth Range]], flowing west into [[Beardmore Glacier]]. Named by [[Advisory Committee on Antarctic Names]] (US-ACAN) for [[Kenneth J. Osicki]], [[United States Antarctic Research Program]] (USARP) biologist at [[McMurdo Station]], 1963.
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[[Category:Glaciers of Antarctica]]
'''Oskeladden Rock''' ({{coor dm|71|18|S|11|27|E|}}) is a rock lying 0.9 nautical miles (1.7 km) south of [[Pal Rock]] in the [[Arkticheskiy Institut Rocks]], at the northwest extremity of the [[Wohlthat Mountains]] of [[Queen Maud Land]]. Discovered and photographed by the [[German Antarctic Expedition]], 1938-39. Mapped by Norway from air photos and surveys by [[Norwegian Antarctic Expedition]], 1956-60, and named Oskeladden.
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[[Category:Geography of Antarctica]]
'''Osmic Hill''' ({{coor dm|54|19|S|36|30|W|}}) is a conspicuous rounded hill which rises abruptly from the surrounding plain to 305 m, marking the north limit of an undulating ridge of hills on the west side of [[Moraine Fjord]], [[South Georgia]]. Roughly surveyed by the [[Swedish Antarctic Expedition]], 1901-04, under Nordenskjold. Named by the [[Falkland Islands Dependencies Survey]] (FIDS) following their sketch survey in 1951. The name is one in a group in the vicinity of [[Discovery Point]] derived from the chemical fixatives used there in biological work by the FIDS.
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[[Category:Geography of Antarctica]]
'''Osoya''' ({{coor dm|69|27|S|39|37|E|}}) is an [[island]] in the middle of [[Osen Cove]], which indents the north coast of [[Skarvsnes Foreland]], on the east side of [[Lutzow-Holm Bay]]. Mapped by Norwegian cartographers from air photos taken by the [[Lars Christensen Expedition]], 1936-37, and named Osoya (the outlet island) in association with Osen Cove.
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[[Category:Geography of Antarctica]]
'''Mount Ostenso''' ({{coor dm|78|18|S|86|11|W|}}) is a [[mountain]] (4,180 m) 2 nautical miles (3.7 km) south of [[Mount Giovinetto]] in the main ridge of the [[Sentinel Range]], [[Ellsworth Mountains]]. First mapped by the [[Marie Byrd Land Traverse Party]] (1957-58) led by [[C.R. Bentley]], and named for [[Ned A. Ostenso]], traverse seismologist at [[Byrd Station]] (1957) and a member of the party.
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[[Category:Mountains of Antarctica|Ostenso, Mount]]