Mazantic Shale

{{Short description|Geologic formation in Chiapas, Mexico}} {{Primary sources|date=December 2023}} {{Infobox rockunit | name = Mazantic Shale | image = | caption = | type = Formation | age = Miocene, <br>{{fossilrange|Aquitanian}} | period = Miocene | prilithology =Shale | otherlithology = | namedfor = | namedby = | region = | country = Mexico | coordinates = | unitof = | subunits = | underlies =Balumtum Sandstone | overlies =La Quinta Formation | thickness =310 m | extent = | area = | map = | map_caption = }}

The '''Mazantic Shale''' is a geologic formation in Chiapas, Mexico.<ref>{{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= ((Various Contributors to the Paleobiology Database))|url= https://www.fossilworks.org/|access-date= 17 December 2021|archive-date= 25 March 2022|archive-url= https://web.archive.org/web/20220325060448/http://www.fossilworks.org/cgi-bin/bridge.pl?action=home|url-status= dead}}</ref> 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.<ref>{{Cite journal|author1=Gerardo Carbot-Chanona |author2=Gustavo Rivera-Velázquez |author3=Eduardo Jiménez-Hidalgo |author4=Víctor Hugo Reynoso |year=2020 |title=The first Pan-''Carettochelys'' turtle in the Neogene of the American continent and its paleobiogeographical relevance |journal=Journal of South American Earth Sciences |volume=104 |article-number=102925 |doi=10.1016/j.jsames.2020.102925 |bibcode=2020JSAES.10402925C |s2cid=224976641 }}</ref>

==See also== {{Portal|Earth sciences|Mexico|Paleontology}} * List of fossiliferous stratigraphic units in Mexico

==References== {{reflist}}

Category:Neogene Mexico Category:Shale formations Category:Geologic formations of Mexico