Report of the Geological Exploration of the Fortieth Parallel, Made by Order of the Secretary of War, Volume 31870 |
Other editions - View all
Common terms and phrases
amalgam andesite assay value Atlas-Plate average battery beds body bonanzas bottom bullion cage CaƱon cent chiefly Chollar-Potosi claim clay Comstock lode copper cost country-rock Cretaceous Crown Point crushed cylinder deposits depth developed diameter district drift east wall eastern engine feet long feldspar fissures furnace galena Gold Hill Gould and Curry granite ground Hale and Norcross hoisting hornblende inches inclosed iron iron pyrites latter limestone lower machinery mass material metal metamorphic metamorphic rocks miles mill mineral Mount Davidson mountain nearly Nevada occur operations Ophir ore-bodies ounces outcrop Plate porphyritic portion pounds propylite pumping pyrites quantity quartz quartzite quicksilver range Reese River rhyolite ridge rock Savage seam shaft side silver slope smelting stamps stopes stream summit surface syenite thick timber tion tons trachyte Treasure Hill tunnel usually vein vertical Virginia volcanic Washoe west wall width Yellow Jacket yield zincblende