Earth:Pass Peak Formation
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Short description: Geologic formation in Wyoming, United States
Pass Peak Formation Stratigraphic range: Ypresian (Wasatchian) ~55.8–50 Ma | |
---|---|
Type | Formation |
Location | |
Coordinates | [ ⚑ ] : 42°42′N 110°06′W / 42.7°N 110.1°W |
Paleocoordinates | [ ⚑ ] 47°42′N 93°30′W / 47.7°N 93.5°W |
Region | Wyoming |
Country | United States |
Extent | Green River Basin |
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The Pass Peak Formation is a Wasatchian geologic formation in Wyoming. It preserves fossils dating back to the Ypresian stage of the Eocene period.[1]
Fossil content
The following fossils have been found in the formation:[1][2]
Mammals
- Artiodactyls
- Erinaceomorpha
- Diacodon celatus
- Glires
- Macroscelidea
- Adapisoricidae indet.
- Perissodactyla
- Hyracotherium cf. vasacciense
- Placentalia
- Hyopsodus cf. wortmani
Wasatchian correlations
Basin | Powder River Uinta Piceance Colorado Plateau Wind River Green River Bighorn |
Piceance |
Colorado Plateau |
Wind River |
Green River |
Bighorn |
Williston | Okanagan | Princeton | Buck Creek | Nechako | Sverdrup | Potomac | GoM | Laguna Salada | Rio Grande | North Park | Raton | Galisteo | San Juan | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Country | United States | Canada | United States | Mexico | United States | |||||||||||||||||
Copelemur | 14px | 14px | 14px | 14px | ||||||||||||||||||
Coryphodon | 14px | 14px | 14px | 14px | 14px | 14px | 14px | 14px | 14px | 14px | ||||||||||||
Diacodexis | 14px | 14px | 14px | 14px | 14px | 14px | 14px | |||||||||||||||
Homogalax | 14px | 14px | 14px | 14px | 14px | 14px | 14px | |||||||||||||||
Oxyaena | 14px | 14px | 14px | 14px | 14px | |||||||||||||||||
Paramys | 14px | 14px | 14px | 14px | 14px | 14px | 14px | 14px | 14px | |||||||||||||
Primates | 10px | 10px | 10px | 10px | 10px | 10px | 10px | |||||||||||||||
Birds | 10px | 10px | 10px | 10px | 10px | |||||||||||||||||
Reptiles | 10px | 10px | 10px | 10px | 10px | 10px | 10px | |||||||||||||||
Fish | 10px | 10px | 10px | 10px | 10px | 10px | 10px | |||||||||||||||
Insects | 10px | 10px | 10px | 10px | 10px | 10px | ||||||||||||||||
Flora | 10px | 10px | 10px | 10px | 10px | 10px | 10px | 10px | 10px | |||||||||||||
Environments | Alluvial-fluvio-lacustrine | Fluvial | Fluvial | Fluvio-lacustrine | Fluvial | Lacustrine | Fluvio-lacustrine | Deltaic-paludal | Shallow marine | Fluvial | Shallow marine | Fluvial | Fluvial | 8px Wasatchian fauna | ||||||||
Volcanic | Yes | No | Yes | No | Yes | No | Yes | No | Yes | No |
See also
- List of fossiliferous stratigraphic units in Wyoming
- Paleontology in Wyoming
References
- ↑ 1.0 1.1 Pass Peak Formation at Fossilworks.org
- ↑ Dorr Jr., 1978
Bibliography
- Dorr, Jr, J. A. 1978. Revised and Amended Fossil Vertebrate Faunal Lists, Early Tertiary, Hoback Basin, Wyoming. Contributions to Geology, University of Wyoming 16. 79–84.
Original source: https://en.wikipedia.org/wiki/Pass Peak Formation.
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