State | Colorado |
---|---|
Name | Vermejo Fm and Trinidad Sandstone |
Geologic age | Cretaceous |
Lithologic constituents |
Major
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone > Shale
Minor
Sedimentary > Coal (Bed)
|
References | Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000. |
NGMDB product | |
Counties | Fremont - Huerfano - Las Animas |