 | | Report (volume) | | chalcopyrite 18 Graphs showing distributions of silver grade for Au-bearing skarns 22 Graphs showing gold...gold grade compared with copper grade and silver grade 23 Contents Ill TABLES 1. 2. 3. 4. 5. 6....gold and silver are major commodities exploited 40 Gold-bearing skarns in which gold and silver are byproduct...In recent years, a significant proportion of the mining industry's interest has been centered on discovery...Au-skarns, can be recognized on the basis of gold, silver, and base-metal grades, although many other geologic |  | | Report (issue) | | _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____ ____ Pag«... Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten depositNorth workings...Lincoln County__-__-----_-----_-----___ Tern Piute district....... __ ___ ... Mineral County____-_______________...naine________________ Mine near Green Talc mine. _____ Nye County ____ _._-___-________-___ Gabbs area __ _____________________..._____ Brucite and magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick |  | | Report (volume) | | values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum, mercury, etcetera. The Corporation...so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...service from Superior Jaw Crusher Worthington mining equipment the from the standpoint of first cost...most wear, Worthington meets the needs of the mining industries with a complete line of products, from...Mills PUMPS, COMPRESSORS, OIL AND GAS ENGINES, MINING AND SMELTING MACHINERY CTON JOHN D. RYAN, |
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