Snowshoe Formation

Snowshoe Formation
Stratigraphic range: Toarcian-Bathonian ~180–164  Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Sub-units	South Fork, Warm Springs, Basey, Schoolhouse, Silvies & Weberg members
Lithology
Primary	Mudstone, limestone
Other	Sandstone
Location
Coordinates	44°00′N119°24′W / 44.0°N 119.4°W / 44.0; -119.4
Approximate paleocoordinates	33°48′N58°30′W / 33.8°N 58.5°W / 33.8; -58.5
Region	Oregon
Country	United States
Extent	Snake River Basin
Snowshoe Formation (the United States) Show map of the United States Snowshoe Formation (Oregon) Show map of Oregon

The Snowshoe Formation is a geologic formation in Oregon. It preserves fossils dating back to the Toarcian to Bathonian stages of the Early to Middle Jurassic period. ^{[1] [2]}

Fossil content

Among others, the following fossils have been reported from the formation: ^[1]

• Loricata
  • Zoneait nargorum ^[3]

See also

• List of fossiliferous stratigraphic units in Oregon
• Paleontology in Oregon
• Hyde Formation
• Posidonia Shale

References

1. Snowshoe Formation at Fossilworks.org
2. Snowshoe Formation at USGS
3. Buffetaut, 1979

Bibliography

• Buffetaut, É (1979), "Jurassic marine crocodilians (Mesosuchia: Teleosauridae) from Central Oregon: first record in North America", Journal of Paleontology , 53: 210–215
• K. Yeh. 2009. A Middle Jurassic radiolarian fauna from South Fork Member of Snowshoe Formation, east-central Oregon. Collection and Research 22:15-125