. Bulletin of the Philosophical Society. Philosophical Society (University of Virginia). Scientific Section; Science; Philosophy. ZIRCONIFEROUS SANDSTONE NEAR ASHLAND, VIRGINIA 269. i 1 Calvert Black area is Zircon satidsione Nanjemoy Aquia oS Granite and granite gneiss 25 Miles Fig. 1. Geological Map of a Part of Middle Eastern Virginia. Showing location of zirconiferous sandstone area west of Ashland, Hanover County. (Geological map of Virginia, Virginia Geological Survey, 1911).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for r
. Bulletin of the Philosophical Society. Philosophical Society (University of Virginia). Scientific Section; Science; Philosophy. ZIRCONIFEROUS SANDSTONE NEAR ASHLAND, VIRGINIA 269. i 1 Calvert Black area is Zircon satidsione Nanjemoy Aquia oS Granite and granite gneiss 25 Miles Fig. 1. Geological Map of a Part of Middle Eastern Virginia. Showing location of zirconiferous sandstone area west of Ashland, Hanover County. (Geological map of Virginia, Virginia Geological Survey, 1911).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Philosophical Society (University of Virginia). Scientific Section; University of Virginia. Charlottesville, Va. : University of Virginia
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