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Uinta Fm

Sandstone and siltstone; in Piceance basin. Formerly Evacuation Creek Member of Green River Fm
State Colorado
Name Uinta Fm
Geologic age Phanerozoic | Cenozoic | Tertiary
Primary rock type sandstone
Secondary rock type siltstone
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Siltstone
Map references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Unit references
Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.
Counties Delta - Garfield - Mesa - Rio Blanco