Earth:Snowshoe Formation

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Short description: Geologic formation Oregon, United States
Snowshoe Formation
Stratigraphic range: Toarcian-Bathonian
~180–164 Ma
TypeFormation
Sub-unitsSouth Fork, Warm Springs, Basey, Schoolhouse, Silvies & Weberg members
Lithology
PrimaryMudstone, limestone
OtherSandstone
Location
Coordinates [ ⚑ ] : 44°00′N 119°24′W / 44.0°N 119.4°W / 44.0; -119.4
Paleocoordinates [ ⚑ ] 33°48′N 58°30′W / 33.8°N 58.5°W / 33.8; -58.5
RegionOregon
Country United States
ExtentSnake River Basin
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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]

See also

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

References

  1. 1.0 1.1 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