Douglas Group

Lawrence FM (base LA)- mostly gray shale and sandstone with minor red shale, coal, gray limestone and conglomerate, thickness ranges from 140ft to 250 ft. Stranger FM- five members containing sandstone, shale, and minor limestone, coal and conglomerate ranging from 100 ft. to 180 ft. thickness.
State Kansas
Name Douglas Group
Geologic age Late Pennsylvanian- Virgilian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Clastic > Conglomerate (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Incidental
Sedimentary > Coal (Bed)
Comments Total approximate thickness ranging from 240 ft. to 400 ft. in outcrop.
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 Allen - Anderson - Atchison - Chautauqua - Coffey - Doniphan - Douglas - Elk - Franklin - Greenwood - Jefferson - Johnson - Leavenworth - Miami - Montgomery - Osage - Shawnee - Wilson - Woodson - Wyandotte