No name derivation given. Named as part of Allegheny series, Clarion cyclothem. Occurs in southeastern OH. Consists of calcareous concretionary ironstone. Underlies Clarion underclay member; overlies Clarion shale and (or) sandstone member. Age is Pennsylvanian.
Source: GNU records (USGS DDS-6; Reston GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
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