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Geologic formation in Nevada, United States From Wikipedia, the free encyclopedia
The Ninemile Shale is a geologic formation in Nevada. It preserves fossils dating back to the Ordovician period.
Ninemile Shale | |
---|---|
Stratigraphic range: Ordovician | |
Type | Geologic formation |
Unit of | Pogonip Group |
Underlies | Antelope Valley Limestone |
Overlies | Goodwin Limestone |
Thickness | 550 ft (170 m) |
Lithology | |
Primary | Shale |
Location | |
Region | Nevada |
Country | United States |
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