Dockum Group

varicolored shales and red sandstone
State Kansas
Name Dockum Group
Geologic age Triassic
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Comments small outcrop in Morton CO, approximate thickness 350 ft. in outcrop. May be designated as undifferentiated Jurassic rocks
References

Ross, Jorgina A., 1991, Geologic Map of Kansas: Kansas Geological Survey, Univ. of Kansas, Map M-23, scale 1:500,000.

Zeller, D.E., ed., 1968, The Stratigraphic Succession in Kansas, State Geological Survey of Kansas Bull. 189.

NGMDB product
Counties Morton