Earth:Ixcoy Formation
From HandWiki
| 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 |
| 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
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
- List of fossiliferous stratigraphic units in Guatemala
References
- ↑ 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
- Machorro Sagastume, Rudy (2005), Evaluación hidrogeológica de Alta Verapaz, Universidad de San Carlos de Guatemala, pp. 1–77, http://glifos.concyt.gob.gt/digital/fodecyt/fodecyt%202002.01.pdf, retrieved 2019-02-05
- Scott, R.W. (1995), "Cretaceous rudists of Guatemala", Revista Mexicana de Ciencias Geológicas 12: 294–306, http://rmcg.unam.mx/12-2/(19)Scott.pdf, retrieved 2019-02-05
