Prout Limestone

Limestone; olive gray; dolomitic in part; hard, siliceous; irregular bedding; pyrite, glauconite and phosphatic bone fragments at upper contact; 0 to 9 feet thick. Devonian (Givetian) Prout Limestone in OH contains corals superficially similar to those of lower part of Jaycox Shale Member of Ludlowville Formation in NY (Oliver, in press).
State Ohio
Name Prout Limestone
Geologic age Devonian
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed, Glauconitic)olive gray; dolomitic in part; hard, siliceous; irregular bedding;; pyrite, glauconite and phosphatic bone fragments at upper contact; 0 to 9 feet thick.
Minor
Sedimentary > Carbonate > Dolostone (Bed, Glauconitic)dolomitic in part
Comments Secondary unit description from USGS Lexicon website (ref. OH017) and OH004: Devonian (Givetian) Prout Limestone in OH contains corals superficially similar to those of lower part of Jaycox Shale Member of Ludlowville Formation in NY (Oliver, in press).
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.

Oliver, W.A., Jr., in press, Stage boundary recognition based on rugose corals; Eastern Americas Realm: Courier Forschungsinstitut Senckenberg, __, (Devonian Subcommission volume on boundary decisions).

USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/

https://ngmdb.usgs.gov/Geolex/search

NGMDB product
Counties Erie - Huron - Seneca