Antrim Shale

Shale; dark brown to black; carbonaceous, thinly laminated; 0 to 230 feet thick.
State Ohio
Name Antrim Shale
Geologic age Devonian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Carbonaceous)dark brown to black; carbonaceous, thinly laminated; 0 to 230 feet thick.
Minor
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Carbonaceous)dark brown to black; carbonaceous, thinly laminated; 0 to 230 feet thick.
References

Slucher, E.R., (principal compiler), Swinford, E.M., Larsen, G.E., and others, with GIS production and cartography by Powers, D.M., 2006, Bedrock geologic map of Ohio: Ohio Division of Geological Survey Map BG-1, version 6.0, scale 1:500,000.

NGMDB product
Counties Defiance - Fulton - Henry - Lucas - Paulding - Williams