| State | Colorado |
|---|---|
| Name | Morrison, Curtis, Entrada, and Glen Canyon Fms |
| Geologic age | Jurassic-Triassic |
| Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone > Claystone
Minor
Sedimentary > Clastic > Siltstone
Sedimentary > Clastic > Mudstone > Shale
|
| References | Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000. |
| NGMDB product | |
| Counties | Garfield - Moffat - Rio Blanco |