Dakota Sandstone and Burro Canyon Fm

Sandstone, shale, and conglomerate. In northwest and west-central: Lower Cretaceous. In southwest: Lower and Upper Cretaceous.
State Colorado
Name Dakota Sandstone and Burro Canyon Fm
Geologic age Cretaceous
Lithologic constituents
Major
Sedimentary > Clastic > Conglomerate
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstone
References

Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.

NGMDB product
Counties Archuleta - Delta - Dolores - Hinsdale - La Plata - Mesa - Montezuma - Montrose - Ouray - San Miguel