The Balumtun Sandstone is a geologic formation in Chiapas, Mexico. The formation is up to 760 metres thick, and consists of gray sandstone, that were deposited during the Upper Aquitanian stage of the Early Miocene.[1]

Balumtun Sandstone
Stratigraphic range: Aquitanian
~23–22.5 Ma
TypeFormation
Unit ofRío Concepción Group
UnderliesTulijá Formation
OverliesMazantic Shale
Thickness760 metres
Lithology
PrimarySandstone
OtherConglomerate
Location
Coordinates17°06′N 92°42′W / 17.1°N 92.7°W / 17.1; -92.7
Approximate paleocoordinates17°42′N 89°00′W / 17.7°N 89.0°W / 17.7; -89.0
RegionChiapas
Country Mexico
Type section
Named forBalumtun

See also

edit

References

edit
  1. ^ Carbot-Chanona, Gerardo; Rivera-Velázquez, Gustavo; Jiménez-Hidalgo, Eduardo; Reynoso, Víctor Hugo (December 2020). "The first Pan-Carettochelys turtle in the Neogene of the American continent and its paleobiogeographical relevance". Journal of South American Earth Sciences. 104: 102925. Bibcode:2020JSAES.10402925C. doi:10.1016/j.jsames.2020.102925. S2CID 224976641.

Further reading

edit