J.D. Marr, Jr., folded 35.5 x 50-inch color 1:24,000-scale geologic map, 1984. Bedrock geologic map with surficial deposits of the Pittsville and Chatham quadrangles in Pittsylvania County with two cross-sections. Discussion of geologic stratigraphy for this portion of the Piedmont and the Danville basin with the structure including the Smith River allochthon, multi-generation folding and faulting (Chatham and Bowens Creek faults). Details of economic history for barite, iron, pegmatite minerals, emery, vermiculite, and uranium and geologic factors affecting land modification. Locations of mines, quarries, prospects and rock repository samples are plotted on the map.
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