Curtis Formation
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The Curtis Formation is a geologic formation in Utah. It preserves fossils dating back to the Callovian age of the Jurassic period.
Quick Facts Type, Unit of ...
Curtis Formation | |
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Stratigraphic range: Callovian | |
Type | Formation |
Unit of | San Rafael Group |
Underlies | Summerville Formation |
Overlies | Entrada Sandstone |
Lithology | |
Primary | Sandstone |
Other | Mudstone, limestone |
Location | |
Coordinates | 39.126665°N 110.447615°W / 39.126665; -110.447615 |
Region | Utah |
Country | United States |
Type section | |
Named for | Curtis Point, Emery County, Utah |
Named by | Gilluly and Reeside |
Year defined | 1928 |
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