Mudstone Member/Santa Rosa Formation: Carnian, New Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Coniferales
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Samaropsis sp.
Göppert 1864
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Bennettitales
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Cordaitales
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unclassified
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Cynepteris lasiophora
Ash 1969
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Dinophyton spinosus
Ash 1970
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see common names |
Geography
Country: | United States | State/province: | New Mexico | County: | Guadalupe |
Coordinates: | 35.0° North, 104.7° West (view map) | ||||
Paleocoordinates: | 13.6° North, 31.3° West (Wright 2013) | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | local area |
Time
Period: | Triassic | Epoch: | Late Triassic |
Stage: | Carnian | 10 m.y. bin: | Triassic 3 |
*Period: | Late/Upper Triassic | ||
Key time interval: | Carnian | Zone: | Dinophyton |
Age range of interval: | 237 - 227.3 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Santa Rosa | Member: | Mudstone | ||
Stratigraphic resolution: | member | ||||
Stratigraphy comments: correlative with Chinle west of Rio Grande |
Lithology and environment
Primary lithology: | ferruginous,yellow lithified carbonaceous claystone |
Secondary lithology: | micaceous,gray,yellow poorly lithified silty sandstone |
Includes fossils? | Y |
Includes fossils? | Y |
Taphonomy
Modes of preservation: | mold/impression,adpression |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | surface (in situ),mechanical,field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 24502 | ||
Authorizer: | A. Rees | Enterer: | D. Sunderlin |
Modifier: | D. Sunderlin | Research group: | paleobotany |
Created: | 2002-08-08 10:32:51 | Last modified: | 2025-02-22 15:12:02 |
Access level: | the public | Released: | 2002-08-08 10:32:51 |
Creative Commons license: | CC0 |
Reference information
Primary reference:
6897. | PGAP | S. R. Ash. 1988. Fossil Plants from the Mudstone Member of the Santa Rosa Formation at the Principal Reference Section. United States Geological Survey Bulletin (1804)21-25 [A. Rees/D. Sunderlin/R. McClees-Funinan] |