Washington Formation
The Washington Formation is a coal, sandstone, and limestone geologic formation in West Virginia.[1] It preserves fossils dating back to the Permian period.
Washington Formation Stratigraphic range: Pennsylvanian-Permian | |
---|---|
Type | Formation |
Unit of | Dunkard Group[1] |
Underlies | Greene Formation |
Overlies | Monongahela Group |
Lithology | |
Primary | limestone, sandstone, coal |
Other | shale |
Location | |
Region | ![]() ![]() |
Country | United States |
References
- Berryhill, Jr., Henry L.; Swanson, Vernon E. (1962). "Geological Survey research 1962; Short papers in geology and hydrology" (PDF). U. S Geological Survey Professional Paper. 450-C: 43–46. Retrieved 30 June 2018.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 22 June 2014.
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