El Doctor Formation: Difference between revisions
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{{Infobox rockunit |
{{Infobox rockunit |
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| name = El Doctor Formation |
| name = El Doctor Formation |
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| caption = |
| caption = |
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| type = [[Formation (stratigraphy)|Formation]] |
| type = [[Formation (stratigraphy)|Formation]] |
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| period = |
| period = Cenomanian |
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| age = |
| age = [[Albian]]-[[Cenomanian]]<br>~{{fossil range|112|95}} |
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| prilithology = |
| prilithology = Lime [[mudstone]] |
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| otherlithology = |
| otherlithology = |
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| namedfor = |
| namedfor = |
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| namedby = |
| namedby = |
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| region = |
| region = [[Hidalgo (state)|Hidalgo]] |
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| country = |
| country = {{MEX}} |
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| coordinates = |
| coordinates = {{coord|20.8|N|99.3|W|display=inline,title}} |
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| paleocoordinates = {{coord|18.9|N|64.5|W|display=inline}} |
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| unitof = |
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| unitof = |
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| subunits = La Negra Member |
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| underlies = |
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| overlies = |
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| thickness = |
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| extent = |
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| area = |
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| map = {{Location map+ | Mexico#Mexico Hidalgo |
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| relief = 1 |
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| width = 250 |
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| float = center |
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| places = |
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{{Location map~ | Mexico#Mexico Hidalgo |
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| lat_deg = 20.8 |
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| lon_deg = -99.8 |
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| mark = Green pog.svg |
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| marksize = 10 |
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}} |
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}} |
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The '''El Doctor Formation''' is a [[Formation (geology)|geologic formation]] in [[Mexico]]. It preserves [[fossils]] dating back to the [[Cretaceous]] [[Period (geology)|period]]. |
The '''El Doctor Formation''' is a [[Formation (geology)|geologic formation]] in [[Mexico]]. It preserves [[fossils]] dating back to the [[Albian]] and [[Cenomanian]] stages of the [[Cretaceous]] [[Period (geology)|period]].<ref name=FW>[http://fossilworks.org/bridge.pl?a=collectionSearch&collection_no=135815 El Doctor Formation] at [[Fossilworks]].org</ref> |
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== Description == |
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The light grey micritic limestone sequence with intercalated black chert lenses was deposited in an open marine basin with a hypersaline and/or poorly oxygenated bottom.<ref name=FW/> |
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== Fossil content == |
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The formation has provided the following fossils:<ref name=FW/><ref name=Feldmann2007>Feldmann et al., 2007</ref> |
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;Fish |
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* ''[[Enchodus|Enchodus zipapanensis]]''<ref name=Fielitz2010>Fielitz & González Rodríguez, 2010</ref> |
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;Crustaceans |
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* ''[[Aeger|Aeger hidalguensis]]'' |
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* ''[[Polzia|Polzia eldoctorensis]]''<ref name=Hegna2014>Hegna et al., 2014</ref> |
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* ''[[Victoriacaris|Victoriacaris muhiensis]]''<ref name=Hegna2014/> |
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* ''[[Palinurus|Palinurus sp.]]'' |
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== See also == |
== See also == |
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{{Portal|Earth sciences|Mexico|Paleontology|Cretaceous}} |
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* [[List of fossiliferous stratigraphic units in Mexico]] |
* [[List of fossiliferous stratigraphic units in Mexico]] |
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** [[Sierra Madre Formation]] |
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== |
== References == |
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{{reflist|2}} |
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* {{cite web |title=Fossilworks: Gateway to the Paleobiology Database |author=Various Contributors to the Paleobiology Database |url=http://www.fossilworks.org/ |accessdate=8 July 2014 |url-status=dead |archiveurl=https://web.archive.org/web/20140731140924/http://fossilworks.org/ |archivedate=31 July 2014 }} |
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=== Bibliography === |
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* {{cite LSA |last=Hegna |first=T. A. |first2=F. J. |last2=Vega |first3=K. A. |last3=González Rodríguez |year=2014 |title=First Mesozoic thylacocephalans (Arthropoda, Crustacea; Cretaceous) in the western hemisphere: new discoveries from the Muhi Quarry Lagerstätte |journal=[[Journal of Paleontology]] |volume=88 |pages=606–616}} |
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* {{cite LSA |last=Fielitz |first=C. |first2=K. A. |last2=González Rodríguez |year=2010 |title=A New Species of ''Enchodus'' (Aulopiformes: Enchodontidae) from the Cretaceous (Albian to Cenomanian) of Zimapán, Hidalgo, México |journal=[[Journal of Vertebrate Paleontology]] |volume=30 |pages=1343–1351}} |
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* {{cite LSA |last=Feldmann |first=R. M. |first2=F. J. |last2=Vega |first3=L. |last3=Martínez López |first4=K. A. |last4=González Rodrigues |first5=O. |last5=González León |first6=M. |last6=Rosario Fernández-Barajas |year=2007 |title=Crustacea from the Muhi Quarry (Albian-Cenomanian), and a review of Aptian Mecochiridae (Astacidea) From Mexico |journal=[[Annals of Carnegie Museum]] |volume=76 |pages=145–156}} |
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[[Category:Geologic formations of Mexico]] |
[[Category:Geologic formations of Mexico]] |
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[[Category:Cretaceous System of North America]] |
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[[Category:Cretaceous Mexico]] |
[[Category:Cretaceous Mexico]] |
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[[Category:Albian Stage]] |
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[[Category:Cenomanian Stage]] |
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{{Mexico-geologic-formation-stub}} |
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[[Category:Mudstone formations]] |
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{{Cretaceous-stub}} |
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[[Category:Deep marine deposits]] |
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[[Category:Paleontology in Mexico]] |
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Revision as of 00:02, 7 January 2021
| El Doctor Formation | |
|---|---|
| Stratigraphic range: Albian-Cenomanian ~ | |
| Type | Formation |
| Sub-units | La Negra Member |
| Lithology | |
| Primary | Lime mudstone |
| Location | |
| Coordinates | 20°48′N 99°18′W / 20.8°N 99.3°W |
| Approximate paleocoordinates | 18°54′N 64°30′W / 18.9°N 64.5°W |
| Region | Hidalgo |
| Country |  Mexico |
  El Doctor Formation (Mexico)  El Doctor Formation (Hidalgo) | |
The El Doctor Formation is a geologic formation in Mexico. It preserves fossils dating back to the Albian and Cenomanian stages of the Cretaceous period.[1]
Description
The light grey micritic limestone sequence with intercalated black chert lenses was deposited in an open marine basin with a hypersaline and/or poorly oxygenated bottom.[1]
Fossil content
The formation has provided the following fossils:[1][2]
- Fish
- Crustaceans
See also
References
- ^ a b c El Doctor Formation at Fossilworks.org
- ^ Feldmann et al., 2007
- ^ Fielitz & González Rodríguez, 2010
- ^ a b Hegna et al., 2014