Geology of the Hanover Academy and Ashland quadrangles, Virginia
The Ashland and Hanover Academy quadrangles in east-central Virginia lie astride the Fall Line. Metamorphic and granitic rocks of the Piedmont Province to the west of the Fall Line are pre-Triassic in age. Biotite gneiss, granite gneiss, muscovite-biotite schist, amphibolite, and Petersburg Granite...
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| Format: | Others |
| Language: | en |
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Virginia Polytechnic Institute and State University
2015
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| Online Access: | http://hdl.handle.net/10919/51884 |