Pass Peak Formation
{{Short description|Geologic formation in Wyoming, United States}}
{{Infobox rockunit
| name = Pass Peak Formation
| image =
| caption =
| type = Formation
| age = Ypresian (Wasatchian)
~{{fossil range|55.8|50}}
| period = Ypresian
| prilithology =
| otherlithology =
| namedfor =
| namedby =
| region = Wyoming
| country = United States
| coordinates = {{coord|42.7|N|110.1|W|display=inline,title}}
| paleocoordinates = {{coord|47.7|N|93.5|W|display=inline}}
| unitof =
| subunits =
| underlies =
| overlies =
| thickness =
| extent = Green River Basin
| area =
| map = {{Location map+ | United States#Wyoming
| relief = 1
| width = 250
| float = center
| places =
{{Location map~ | United States#Wyoming
| lat_deg = 42.7
| lon_deg = -110.1
| mark = Orange pog.svg
| marksize = 10
}}
}}
| map_caption =
}}
The Pass Peak Formation is a Wasatchian geologic formation in Wyoming. It preserves fossils dating back to the Ypresian stage of the Eocene period.[https://paleobiodb.org/classic/displayStrata?geological_group=&formation=Pass%20Peak&group_formation_member=Pass%20Peak Pass Peak Formation] at Fossilworks.org
Fossil content
The following fossils have been found in the formation:Dorr Jr., 1978
= Mammals =
;Artiodactyls
;Erinaceomorpha
;Glires
;Macroscelidea
;Perissodactyla
;Placentalia
Wasatchian correlations
class="wikitable" style="font-size: 60%"
|+ Wasatchian correlations in North America | ||||||||||||||||||||||
Formation | {{big|Wasatch}} | DeBeque | Claron | Indian Meadows | Pass Peak | Tatman | Willwood | Golden Valley | Coldwater | Allenby | Kamloops | Ootsa Lake | Margaret | Nanjemoy | Hatchetigbee | Tetas de Cabra | Hannold Hill | Coalmont | Cuchara | Galisteo | San Jose | Ypresian (IUCS) • Itaboraian (SALMA) Bumbanian (ALMA) • Mangaorapan (NZ) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basin | Powder River Uinta Piceance Colorado Plateau Wind River Green River Bighorn | Piceance | Colorado Plateau | Wind River | Green River | colspan=2 | Bighorn | Williston | Okanagan | Princeton | Buck Creek | Nechako | Sverdrup | Potomac | GoM | Laguna Salada | Rio Grande | North Park | Raton | Galisteo | San Juan | align=center rowspan=14 | {{Location map+ | North America
| relief = 1 | width = 220 | float = center | places = {{Location map~ | North America | lat_deg = 50.1 | lon_deg = -120.5 | mark = Pink ff0080 pog.svg | marksize = 10 | link = Coldwater Beds }} {{Location map~ | North America | lat_deg = 78.7 | lon_deg = -81.9 | mark = Pink ff0080 pog.svg | marksize = 10 | link = Margaret Formation }} {{Location map~ | North America | lat_deg = 50.8 | lon_deg = -121.1 | mark = Pink ff0080 pog.svg | marksize = 10 | link = Kamloops Group }} {{Location map~ | North America | lat_deg = 35.4 | lon_deg = -106.0 | mark = Pink ff0080 pog.svg | marksize = 10 | link = Galisteo Formation }} {{Location map~ | North America | lat_deg = 44.2 | lon_deg = -108.6 | mark = Dark Green 004040 pog.svg | marksize = 10 | link = Tatman Formation }} {{Location map~ | North America | lat_deg = 44.5 | lon_deg = -108.0 | mark = Dark Green 004040 pog.svg | marksize = 10 | link = Willwood Formation }} {{Location map~ | North America | lat_deg = 48.5 | lon_deg = -102.7 | mark = Dark Green 004040 pog.svg | marksize = 10 | link = Golden Valley Formation }} {{Location map~ | North America | lat_deg = 38.8 | lon_deg = -76.7 | mark = Dark Green 004040 pog.svg | marksize = 10 | link = Nanjemoy Formation }} {{Location map~ | North America | lat_deg = 28.7 | lon_deg = -114.1 | mark = Dark Green 004040 pog.svg | marksize = 10 | link = Las Tetas de Cabra Formation }} {{Location map~ | North America | lat_deg = 40.4 | lon_deg = -106.5 | mark = Dark Green 004040 pog.svg | marksize = 10 | link = Coalmont Formation }} {{Location map~ | North America | lat_deg = 49.376667 | lon_deg = -120.546667 | mark = Dark Green 004040 pog.svg | marksize = 10 | link = Allenby Formation }} {{Location map~ | North America | lat_deg = 40.0 | lon_deg = -107.9 | mark = Orange pog.svg | marksize = 10 | link = DeBeque Formation }} {{Location map~ | North America | lat_deg = 37.8 | lon_deg = -112.0 | mark = Orange pog.svg | marksize = 10 | link = Claron Formation }} {{Location map~ | North America | lat_deg = 43.2 | lon_deg = -108.2 | mark = Orange pog.svg | marksize = 10 | link = Indian Meadows Formation }} {{Location map~ | North America | lat_deg = 42.7 | lon_deg = -110.1 | mark = Orange pog.svg | marksize = 10 | link = Pass Peak Formation }} {{Location map~ | North America | lat_deg = 31.3 | lon_deg = -86.1 | mark = Orange pog.svg | marksize = 10 | link = Hatchetigbee Bluff Formation }} {{Location map~ | North America | lat_deg = 29.4 | lon_deg = -103.1 | mark = Orange pog.svg | marksize = 10 | link = Hannold Hill Formation }} {{Location map~ | North America | lat_deg = 37.8 | lon_deg = -105.1 | mark = Orange pog.svg | marksize = 10 | link = Cuchara Formation }} {{Location map~ | North America | lat_deg = 36.5 | lon_deg = -107.1 | mark = Orange pog.svg | marksize = 10 | link = San Jose Formation }} {{Location map~ | North America | lat_deg = 54.8 | lon_deg = -127.0 | mark = Orange pog.svg | marksize = 10 | link = Ootsa Lake Group }} {{Location map~ | North America | lat_deg = 41.9 | lon_deg = -111.0 | mark = Pink ff0080 pog.svg | marksize = 12 | link = Wasatch Formation }} }} | |
{{small|Country}} | colspan=8 | {{small|{{USA}}}} | colspan=5 | {{small|{{CAN}}}} | colspan=2 | {{small|{{USA}}}} | {{small|{{MEX}}}} | colspan=5 | {{small|{{USA}}}} | |||||||||||||||||
Copelemur | align=center | 14px | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | 14px | |
Coryphodon | align=center | 14px | align=center | 14px | align=center | | align=center | 14px | align=center | | align=center | | align=center | 14px | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | 14px | align=center | | align=center | 14px | align=center | | align=center | 14px | align=center | | align=center | | align=center | 14px | align=center | 14px | |
Diacodexis | align=center | 14px | align=center | 14px | align=center | | align=center | | align=center | 14px | align=center | | align=center | 14px | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | 14px | |
Homogalax | align=center | 14px | align=center | 14px | align=center | | align=center | 14px | align=center | | align=center | | align=center | 14px | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | 14px | align=center | | |
Oxyaena | align=center | 14px | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | 14px | |
Paramys | align=center | 14px | align=center | 14px | align=center | | align=center | 14px | align=center | 14px | align=center | | align=center | 14px | align=center | 14px | align=center | | align=center | | align=center | | align=center | | align=center | 14px | align=center | | align=center | | align=center | | align=center | 14px | align=center | | align=center | | align=center | | align=center | 14px | |
Primates | align=center | 10px | align=center | | align=center | | align=center | 10px | align=center | | align=center | | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | 10px | align=center | | align=center | | align=center | | align=center | 10px | align=center | | align=center | | align=center | 10px | align=center | 10px | |
Birds | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | 10px | align=center | 10px | align=center | | align=center | | align=center | 10px | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | |
Reptiles | align=center | 10px | align=center | | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | 10px | align=center | 10px | align=center | | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | 10px | |
Fish | align=center | 10px | align=center | | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | 10px | align=center | | align=center | 10px | align=center | | align=center | | align=center | 10px | align=center | 10px | align=center | | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | | |
Insects | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | 10px | align=center | 10px | align=center | 10px | align=center | 10px | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | | align=center | 10px | align=center | | align=center | | align=center | | |
Flora | align=center | 10px | align=center | | align=center | | align=center | | align=center | | align=center | 10px | align=center | 10px | align=center | 10px | align=center | 10px | align=center | 10px | align=center | | align=center | | align=center | | align=center | 10px | align=center | | align=center | 10px | align=center | | align=center | 10px | align=center | | align=center | | align=center | | |
Environments | Alluvial-fluvio-lacustrine | Fluvial | Fluvial | Fluvio-lacustrine | Fluvial | colspan=2 | Lacustrine | colspan=2 | Fluvio-lacustrine | Deltaic-paludal | colspan=2 | Shallow marine | Fluvial | Shallow marine | Fluvial | colspan=2 | Fluvial | rowspan=2 align=left | {{left|8px Wasatchian volcanoclastics}} {{left|8px Wasatchian fauna}} {{left|8px Wasatchian flora}} | ||||||||
Volcanic | Yes | colspan=7 | No | Yes | No | Yes | No | Yes | colspan=6 | No | Yes | No |
See also
References
{{reflist|3}}
= Bibliography =
- {{citation |last=Dorr, Jr |first=J. A |year=1978 |title=Revised and Amended Fossil Vertebrate Faunal Lists, Early Tertiary, Hoback Basin, Wyoming |journal=Contributions to Geology, University of Wyoming |volume=16 |pages=79–84}}
Category:Geologic formations of Wyoming
Category:Eocene Series of North America