Detection and Mapping of Hydrothermally Altered Rocks in the Vicinity of the Comstock Lode, Virginia Range, Nevada
U.S. Geological Survey, 1979. Open File Report 79-960. stapled binding, pencil notation bottom front cover, tear top two pages, From the Abstract on the first page; "The virginia Range, immediately southeast of Reno, Nev., consists mainly of flows, breccias, and tuffs of Miocene age. Most of these volcanic rocks are..... More










