Dakota Sandstone and Purgatoire Fm

Sandstone and shale
State Colorado
Name Dakota Sandstone and Purgatoire Fm
Geologic age Cretaceous
Lithologic constituents
Major
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 Baca - Bent - El Paso - Fremont - Huerfano - Las Animas - Otero - Prowers - Pueblo