Snowshoe Formation
Geologic formation Oregon, United States
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 | ![]() ![]() 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]
See also
- List of fossiliferous stratigraphic units in Oregon
- Paleontology in Oregon
- Hyde Formation
- Posidonia Shale
References
- ^ a b Snowshoe Formation at Fossilworks.org
- ^ Snowshoe Formation at USGS
- ^ 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