Talk:Grand Canyon Supergroup

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External links reduction

I have removed an abundance of external links recently added per What Wikipedia is not:Indiscriminate collection of links. These may work as possible further references in the article, so I share them here. Regards, GenQuest ^{"Talk to Me"} 02:47, 23 April 2014 (UTC)[reply]

Anonymous (2011a) Grand Canyon Supergroup, Stratigraphy of the Parks of the Colorado Plateau. U.S. Geological Survey, Reston, Virginia.
Anonymous (2011b) Sixtymile Formation, Stratigraphy of the Parks of the Colorado Plateau. U.S. Geological Survey, Reston, Virginia.
Anonymous (2011c) Chuar Group of Grand Canyon Supergroup, Stratigraphy of the Parks of the Colorado Plateau. U.S. Geological Survey, Reston, Virginia.
Anonymous (2011d) Nankoweap Formation, Stratigraphy of the Parks of the Colorado Plateau. U.S. Geological Survey, Reston, Virginia.
Anonymous (2011e) Unkar Group of Grand Canyon Supergroup, Stratigraphy of the Parks of the Colorado Plateau. U.S. Geological Survey, Reston, Virginia.
Anonymous (2011f) Vishnu Basement Rocks, Stratigraphy of the Parks of the Colorado Plateau. U.S. Geological Survey, Reston, Virginia.
Brandriss, M. (2004) Angular unconformity between Proterozoic and Cambrian rocks, Grand Canyon, Arizona. GeoDIL, A Geoscience Digital Image Library, University of North Dakota, Grand Forks, North Dakota.
Bloch, J. D., J. M. Timmons, L. J. Crossey, G. E. Gehrels, and K. E. Karlstrom (2005) The Petrology of Mesoproterozoic Unkar Group Shales and Detrital Zircon Geochronology of Interbedded Sandstones, Grand Canyon: Grenvillian Influence on Sedimentation of Inboard Rodinia. Search and Discovery Article #50010 American Association of Petroleum Geologist, Tulsa, Oklahoma.
Keller, B., (2012a) Overview of the Grand Canyon Supergroup, Grand Hikes, Bob's Rock Shop.
Mathis, A., and C. Bowman (2007) The Grand Age of Rocks: The Numeric Ages for Rocks Exposed within Grand Canyon, Grand Canyon National Park, Arizona, National Park Service, Grand Canyon National Park, Arizona.
Seeley, J.M. (1999) Delineation of Proterozoic Unkar Group / Chuar Group (Grand Canyon Supergroup) Sedimentary Basin Deposits in Northern Arizona Using Gravity and Magnetic Geophysical Techniques. Publications, John M. Seeley Consulting, Casper, Wyoming.
Timmons, M., K. Karlstrom, and C. Dehler (1999) Grand Canyon Supergroup Six Unconformities Make One Great Unconformity A Record of Supercontinent Assembly and Disassembly. Boatman's Quarterly Review. vol. 12, no. 1, pp. 29–32.
Wiley, B.H., S.L. Rauzi, A.D. Cook, H.E. Clifton, K. Lung-Chaun, and A.J. Moser (1998) Geologic Description, Sampling, Petroleum Potential, and Depositional Environment of the Chuar Group, Grand Canyon, Arizona. Arizona Geological Survey Open File Report, OFR-98-17, 2 map sheets, 92 pp.

External links modified

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