Ixcoy Formation
Appearance
Ixcoy Formation | |
---|---|
Stratigraphic range: Aptian-Maastrichtian | |
Type | Formation |
Lithology | |
Primary | Limestone |
Location | |
Coordinates | 15°48′N 91°18′W / 15.8°N 91.3°W |
Approximate paleocoordinates | 24°36′N 80°48′W / 24.6°N 80.8°W |
Region | Huehuetenango Department |
Country | Guatemala |
Extent | Guatemalan Highlands |
Type section | |
Named for | San Juan Ixcoy |
The Ixcoy Formation is a geologic formation in Guatemala. It preserves fossils dating back to the Cretaceous period.[1] The upper part of the Ixcoy Formation is laterally equivalent with the Campur Formation of the Petén Basin in northern Guatemala.[2]
Fossil content
[edit]The following fossils have been uncovered from the formation:[3][4][5][6]
- Biradiolites jamaicensis
- Chubbina jamaicensis
- Praeradiolites cf. verseyi
- Senalveolina aubouini
- Thyrastylon adhaerens
- Texicaprina cf. orbiculata
- Chondrodonta sp.
- ?Planocaprina sp.
See also
[edit]References
[edit]- ^ Ixcoy Formation at Fossilworks.org
- ^ Machorro Sagastume, 2005, p.9
- ^ San Ramon at Fossilworks.org
- ^ San Ramon-Barillas at Fossilworks.org
- ^ Capzin at Fossilworks.org
- ^ San Mateo Ixtatan-Soloma at Fossilworks.org
Bibliography
[edit]- Machorro Sagastume, Rudy (2005), Evaluación hidrogeológica de Alta Verapaz (PDF), Universidad de San Carlos de Guatemala, pp. 1–77, archived from the original (PDF) on 2019-02-07, retrieved 2019-02-05
- Scott, R.W. (1995), "Cretaceous rudists of Guatemala" (PDF), Revista Mexicana de Ciencias Geológicas, 12: 294–306, archived from the original (PDF) on 2019-02-07, retrieved 2019-02-05