Dakota, Burro Canyon, Morrison, and Junction Creek Fms

Burro Canyon is locally absent
State Colorado
Name Dakota, Burro Canyon, Morrison, and Junction Creek Fms
Geologic age Cretaceous-Jurassic
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone > Shale
Minor
Sedimentary > Clastic > Mudstone > Claystone
References

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

NGMDB product
Counties Gunnison - Saguache