Mazantic Shale

Geologic formation in Chiapas, Mexico

Mazantic Shale
Stratigraphic range: Miocene, Aquitanian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Formation
Underlies	Balumtum Sandstone
Overlies	La Quinta Formation
Thickness	310 m
Lithology
Primary	Shale
Location
Country	Mexico

The Mazantic Shale is a geologic formation in Chiapas, Mexico.^[1] It was deposited during the Early Miocene (Aquitanian). The formation comprises dark gray shales that were deposited in a marine environment. It preserves fossils, such as the turtle Allaeochelys liliae. Amber has been recovered from it.^[2]

References

^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
^ Gerardo Carbot-Chanona; Gustavo Rivera-Velázquez; Eduardo Jiménez-Hidalgo; Víctor Hugo Reynoso (2020). "The first Pan-Carettochelys turtle in the Neogene of the American continent and its paleobiogeographical relevance". Journal of South American Earth Sciences. 104: Article 102925. Bibcode:2020JSAES.10402925C. doi:10.1016/j.jsames.2020.102925. S2CID 224976641.