Dockum Group

Red sandstone, siltstone, and local limestone
State Colorado
Name Dockum Group
Geologic age Triassic
Lithologic constituents
Major
Sedimentary > Clastic > Siltstone
Sedimentary > Clastic > Sandstone
Minor
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 Baca - Las Animas - Prowers