State | Colorado |
---|---|
Name | Frontier Sandstone and Mowry Shale Members of Mancos Shale, and Dakota Sandstone |
Geologic age | Cretaceous |
Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Conglomerate
|
References | Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000. |
NGMDB product | |
Counties | Garfield - Moffat - Pitkin - Rio Blanco - Routt |