# Mazantic Shale

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> Source: https://en.wikipedia.org/wiki/Mazantic_Shale
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{{Short description|Geologic formation in Chiapas, Mexico}}
{{Primary sources|date=December 2023}}
{{Infobox rockunit
| name           = Mazantic Shale
| image          =
| caption        =
| type           = [Formation](/source/Formation_(stratigraphy))
| age            =  [Miocene](/source/Miocene), <br>{{fossilrange|Aquitanian}}
| period         = Miocene
| prilithology   =[Shale](/source/Shale)
| otherlithology =
| namedfor       =
| namedby        =
| region         =
| country        = [Mexico](/source/Mexico)
| coordinates    =
| unitof         =
| subunits       =
| underlies      =[Balumtum Sandstone](/source/Balumtum_Sandstone)
| overlies       =[La Quinta Formation](/source/La_Quinta_Formation%2C_Mexico)
| thickness      =310 m
| extent         =
| area           =
| map            =
| map_caption    =
}}

The '''Mazantic Shale''' is a [geologic formation](/source/Formation_(geology)) in [Chiapas](/source/Chiapas), [Mexico](/source/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](/source/Miocene) ([Aquitanian](/source/Aquitanian_(stage))). The formation comprises dark gray shales that were deposited in a marine environment. It preserves [fossils](/source/fossils), such as the [turtle](/source/turtle) ''[Allaeochelys liliae](/source/Allaeochelys)''. [Amber](/source/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](/source/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](/source/List_of_fossiliferous_stratigraphic_units_in_Mexico)

==References==
{{reflist}}

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

{{Mexico-geologic-formation-stub}}
{{Neogene-stub}}

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Adapted from the Wikipedia article [Mazantic Shale](https://en.wikipedia.org/wiki/Mazantic_Shale) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Mazantic_Shale?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.