Marmaton Group (NEPAm;0)

Marmaton Group

Shale and limestone. Shale is dark gray to light gray, greenish gray, black, red, silty, sandy carbonaceous, fissile, calcareous; contains scattered limestone nodules. Limestone is medium gray to light gray, red, mottled thin bedded to thick bedded, sandy, shaly, vuggy, fossiliferous. Approx. max thickness 125 ft

State	Nebraska
Name	Marmaton Group
Geologic age	Middle Pennsylvanian - Desmoinesian
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Shale (Bed) Sedimentary > Carbonate > Limestone (Bed)
Comments	Includes in decending order: Altamont Limestone, Bandera Shale, Pawnee Limestone, Labette Shale, and Fort Scott Limestone.
References	Burchett, R.R., 1986, Geologic Bedrock Map of Nebraska: Nebraska Geological Survey. Scale 1:1 million. Burchett, R.R., Reed E.C., and Dreeszen, V.H., 1975, Bedrock Geologic Map Showing Thickness of Overlying Quaternary Deposits, Fremont Quad. and part of Omaha Quad., Nebraska: USGS Map I-905. Scale 1:250K. https://pubs.er.usgs.gov/publication/i905
NGMDB product	NGMDB product page for 39227
Counties	Burt - Cass - Douglas - Sarpy - Washington

Marmaton Group

Burchett, R.R., 1986, Geologic Bedrock Map of Nebraska: Nebraska Geological Survey. Scale 1:1 million.

Burchett, R.R., Reed E.C., and Dreeszen, V.H., 1975, Bedrock Geologic Map Showing Thickness of Overlying Quaternary Deposits, Fremont Quad. and part of Omaha Quad., Nebraska: USGS Map I-905. Scale 1:250K.