| State | Colorado |
|---|---|
| Name | Hermosa Fm |
| Geologic age | Pennsylvanian |
| Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstone > Arkose
Sedimentary > Clastic > Conglomerate
Minor
Sedimentary > Chemical > Evaporite > Gypsum
Sedimentary > Carbonate > Limestone
|
| References | Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000. |
| NGMDB product | |
| Counties | Mesa - Montrose - Ouray - San Miguel |