by J.L. Calver, C.E. Smith, and D.C. Le Van, 230 pages, 3 figures, 14 county maps with sample locations, 1964. This report (the second in a series of five) contains tests and determinations of properties required to evaluate potential ceramic and nonceramic uses of 151 samples of clay, shale, mudstone, slate, phyllite, and schist -- collected from 14 counties in the west-central part of Virginia. Done in cooperation with the U.S. Bureau of Mines, the report includes sample descriptions, characteristics, and evaluations of individual samples and county summaries. See VDMR Mineral Resources Report 2 (Calver and others, 1961) for specifications of the various ceramic materials and criteria used in making the preliminary evaluations.
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