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Detroit River Group and Columbus Limestone, Undivided

Detroit River Group and Columbus Limestone, Undivided - Dolomite, pale yellow-gray to light brown weather brown; thin to massive bedded; fine crystalline; local quartz sand in lower portion.
StateOhio
NameDetroit River Group and Columbus Limestone, Undivided
Geologic ageDevonian
Original map labelDdc
Primary rock typedolostone (dolomite)
Secondary rock typesand
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)Dolomite, pale yellow-gray to light brown weather brown; thin to massive bedded; fine crystalline.
Incidental
Unconsolidated > Coarse-detrital > Sandlocal quartz sand in lower portion
Map references
Digital Ohio map from CD produced as a result of a contract between the U.S. Geological Survey and the Ohio Geological Survey. Released with permission of the Ohio Geological Survey, June 2005.
Unit references
Digital Ohio map from CD produced as a result of a contract between the U.S. Geological Survey and the Ohio Geological Survey. Released with permission of the Ohio Geological Survey, June 2005.
File of unit descriptions received from Ohio Geological Survey.
Geographic coverageChampaign - Logan

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