Snowshoe Formation Explained

Snowshoe Formation
Type:	Formation
Age:	Toarcian-Bathonian ~
Period:	Aalenian
Prilithology:	Mudstone, limestone
Otherlithology:	Sandstone
Region:	Oregon
Coordinates:	44°N -119.4°W
Paleocoordinates:	33.8°N -58.5°W
Subunits:	South Fork, Warm Springs, Basey, Schoolhouse, Silvies & Weberg members
Extent:	Snake River Basin

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

Bibliography

• • K. Yeh. 2009. A Middle Jurassic radiolarian fauna from South Fork Member of Snowshoe Formation, east-central Oregon. Collection and Research 22:15-125

Notes and References

1. http://www.fossilworks.org/cgi-bin/bridge.pl?action=displayStrata&geological_group=&formation=Snowshoe&group_formation_member=Snowshoe Snowshoe Formation
2. https://ngmdb.usgs.gov/Geolex/Units/Snowshoe_14518.html Snowshoe Formation
3. Buffetaut, 1979