Bulletin, Ausgaben 1-6State Office, 1888 |
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acid agitation alkaline amalgam amount angle apron Asphalto asphaltum battery bolts bottom bullion California cañon caps carbon cement cent clay coal Coalinga Coast Colusa County Company concentrates containing Cretaceous crushed cyanide of potassium cyanide process cyanide solution cyanogen depth described diameter discharge dissolved drift extraction feet filter formation fossils Fresno County fuel value Gabb gold and silver inch iron Kern County light-colored shales Marysville Buttes mill Miocene mortar natural gas obtained oxide passing patent pipe placed plant Pliocene posts potassium cyanide precious metals precipitation pulp quantity quicksilver ranch rock Sacramento salt sample San Joaquin San Joaquin Valley sand sandstone sandy screen shaft Shells side silicious slimes sluices soft solvent species specimens stamps Stockton stopes strata sulphur sulphurets Sunset District Sunset Oil District surface tailings tanks Tertiary thickness timbers tion tons treated treatment Valley vein West whorls zinc
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Seite 130 - Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is (d).
Seite 126 - Invention, and in what Manner the same is to be performed, to be particularly described and ascertained in and by the following Statement...
Seite 11 - On fossil and sub-fossil land shells of the United States, with notes on living species; by Dr. JG Cooper. Bull. Cal. Acad. Sci., no. 4, 1886, p. 235 ; no. 7, 1887, p. 355 ; no. 8, 1887, p. 497. The Washoe rocks ; by George F. Becker. Bull. Cal. Acad. Sci., no. 6, 1887, pp. 93-120. See also American Naturalist, vol. 22, 1888, pp. 639-640.
Seite 118 - Belfast, do hereby declare the nature of this invention to be as follows...
Seite 115 - ... and I do hereby declare that the following is a full, clear, and...
Seite 117 - What I claim, and desire to secure by letters patent of the United States, is — The...
Seite 130 - If the ores contain sulphides, oxides, or carbonates, for instance, of copper and zinc, these are as easily dissolved by a cyanide of potassium solution, whether employed by itself or in conjunction with an electric current such as I use. Such ores, however, I prefer to treat first with, say, a 5 per cent sulphuric acid or .other acid solution in water, or a strong solution of sulphurous acid in water in sufficient quantity to dissolve such metals, then leach with water, and then treat with the cyanide...
Seite 125 - To all whom it may concern, be it known that I, John M. Gorham, of Cleveland, in the county of Cuyahoga and state of Ohio, have invented certain new and useful improvements in wash-board frames; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art...
Seite 109 - ... 1. The process of obtaining gold and silver from ores and other compounds, consisting in dissolving them out by treating the powdered ore or compound with a solution containing cyanogen or a cyanide or cyanogen-yielding substance, substantially as hereinbefore described.
Seite 40 - CO per cent, of the gold and 50 per cent, of the silver in the ore. The first cyanide plant in Ocampo was installed in 1906 at the panamalgamation mill at El Salto. The equipment consisted of one Farrel and one Sturtevant rock breaker; twenty 850-lb. stamps with Challenge feeders; three Wilfley tables; two sands-collecting tanks 15 ft. in diameter by 6...