Indian Meadows Formation

The Indian Meadows Formation is a Wasatchian geologic formation in Wyoming. It preserves fossils dating back to the Ypresian stage of the Eocene period.[1]

Indian Meadows Formation
Stratigraphic range: Ypresian (Wasatchian)
~55–50 Ma
TypeFormation
Location
Coordinates43°12′N 108°12′W / 43.2°N 108.2°W / 43.2; -108.2
Approximate paleocoordinates48°00′N 91°24′W / 48.0°N 91.4°W / 48.0; -91.4
Region Wyoming
Country United States
ExtentWind River Basin
Indian Meadows Formation is located in the United States
Indian Meadows Formation
Indian Meadows Formation (the United States)
Indian Meadows Formation is located in Wyoming
Indian Meadows Formation
Indian Meadows Formation (Wyoming)

Fossil content edit

The following fossils have been reported from the formation:[1][2][3]

Mammals edit

Primates
Artiodactyls
Cimolesta
Eutheria
Ferae
Glires
Macroscelidea
Multituberculata
Pantodonta
Perissodactyls
Placentalia
Theriiformes

Wasatchian correlations edit

Wasatchian correlations in North America
Formation 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






Bighorn
Williston Okanagan Princeton Buck Creek Nechako Sverdrup Potomac GoM Laguna Salada Rio Grande North Park Raton Galisteo San Juan
Indian Meadows Formation (North America)
Country   United States   Canada   United States   Mexico   United States
Copelemur        
Coryphodon                    
Diacodexis              
Homogalax              
Oxyaena          
Paramys                  
Primates              
Birds          
Reptiles              
Fish              
Insects            
Flora                  
Environments Alluvial-fluvio-lacustrine Fluvial Fluvial Fluvio-lacustrine Fluvial Lacustrine Fluvio-lacustrine Deltaic-paludal Shallow marine Fluvial Shallow marine Fluvial Fluvial
  Wasatchian volcanoclastics

  Wasatchian fauna

  Wasatchian flora
Volcanic Yes No Yes No Yes No Yes No Yes No

See also edit

References edit

  1. ^ a b Indian Meadows Formation at Fossilworks.org
  2. ^ Winterfeld & Conard, 1983
  3. ^ Keefer & Troyer, 1964

Bibliography edit

  • Winterfeld, G. F., and J. B. Conard. 1983. Laramide tectonics and deposition, Washakie Range and northwestern Wind River Basin, Wyoming, 137–148. J. D. Lowell and R. Gries (eds.), Rocky Mountain foreland basin and uplifts.
  • Keefer, W. R., and M. L. Troyer. 1964. Geology of the Shotgun Butte area, Fremont County, Wyoming. United States Geological Survey Bulletin 1157. 1–123. .