An Organic Origin for the Carbonate Concretions of the Ohio Shale -, I • ' llo ' I I ~ ~ II ... An Organic Origin for the Carbonate Concretions of the Ohio Shale By R.E. CRISS, G.A. COOKE, and S.D....An organic origin for the carbonate concretions of the Ohio Shale (U.S. Geological Survey bulletin ; 1836)...no.: I 19.3:1836 1. Concretions-Ohio River Valley. 2. Rocks, Carbonate-Ohio River Valley. 3. Organic geochemistry-Ohio...geochemistry-Ohio River Valley. 4. Ohio Shale. 5. Geology, Stratigraphic-Devonian. I. Cooke, G.A. II |
Huron Shale concretions, Huron River, Huron County, Ohio, USA