Snowshoe Formation

Short description: Geologic formation Oregon, United States

Snowshoe Formation
Stratigraphic range: Toarcian-Bathonian
~180–164 Ma

PreЄ

Type| Formation
Sub-units| South Fork, Warm Springs, Basey, Schoolhouse, Silvies & Weberg members
Lithology
Primary| Mudstone, limestone
Other| Sandstone
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
Region| Oregon
Country|  United States
Extent| Snake 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]

## Contents

* 1 Fossil content
* 2 See also
* 3 References
* 3.1 Bibliography

## 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. ↑ 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

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