Epithermal gold deposits.
Ashley, Roger P.(Roger Parkmand),1940-
Geological Survey (U.S.)
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey,
1990.
Includes bibliographical references.
pt. 1. The Goldfield gold district, Esmeralda and Nye counties, Nevada / by Roger P. Ashley -- The Tonopah precious-metal district, Esmeralda and Nye counties, Nevada / by Roger P. Ashley -- The Republic gold district, Ferry County, Washington / by Mortimer H. Staatz and Robert C. Pearson -- The Comstock lode precious-metal district, Washoe and Storey counties, Nevada / by William C. Bagby and Roger P. Ashley.
Gold ores
Gold ores
Hydrothermal deposits
Hydrothermal deposits