Huerfano Fm

Shale and sandstone. Includes Farisita Conglomerate in northwestern Huerfano County
State Colorado
Name Huerfano Fm
Geologic age Tertiary
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Conglomerate
References

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

NGMDB product
Counties Custer - Huerfano - Las Animas