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Showing: 1 to 10 of 8170 matches for "U.S. gold mines"  Page   1   2   3   4   5   6   7   8   9  next TITLE Cross-Border Mineral Investment Activity In The Pacific Rim  SUMMARY ... 3. Canadian companies had their pick of US prospects and mines 5-6 years ago as evidenced by some 40% of US gold mines/developments in Canadian company hands. ... AUTHOR Tinsley, C. R. PUBLISHED 1990 TITLE Optimum Production Rate For High-Grade/Low-Tonnage Mines ? Introduction  SUMMARY ... scale operations should not be applied to high-grade/ low- tonnage mines such as ... the assurptions behind the graph in Figure 4 included a $350 US gold price and ... AUTHOR Glanville, Ross PUBLISHED 1984 TITLE Design And Start Up Of The Cortez Gold Mines Pipeline Mill  SUMMARY ... At a scheduled shutdown, we modified by cutting the grates to give us six 5 x 15.2 centimeter openings interspersed between ... During 1998, Cortez Gold Mines Inc. ... AUTHOR Powell, R. N. PUBLISHED 1999 TITLE Sag Mill Operations At Kidston Gold Mines - Introduction  SUMMARY ... Kidston Gold Mines is a 14 000 tonnes per day ... leaching circuit, cyclone wash circuit, gold recovery circuit ... and heads for both mills approximately $US 300 000 ... AUTHOR Bartrum, J. PUBLISHED 1985 TITLE The State Of Underground Metal Mining  SUMMARY ... the Metallic Mineral Industries, 1968-69", US Bureau of Mines, Information Circular 8590. Slater, CL and Ward, DA, 1994, "Trends in US Gold Reserves, Production ... AUTHOR Miller, H.B. PUBLISHED 1995 TITLE The North American Gold Mines: Operating Costs  SUMMARY ... deposits, such as the heap leaching mines, must compensate ... Pegasus Gold operates with a recovered grade of less ... ounce amounts to about $230 US, but production ... AUTHOR Garson, Anthony W. PUBLISHED 1984 TITLE South African Gold Production: How Much, For How Long And At What Cost  SUMMARY ... a recent Bureau of Mines, US Departmnt of the Interior , Minerals Availability Program appraisal that evaluated the worldwide avail- ability of gold and silver ... AUTHOR Thomas, Paul R. PUBLISHED 1984 TITLE Economic Geology And Geochemistry Of Cornucopia's USX Orebody In The Ivanhoe District, Elko Co., Nevada  SUMMARY ... produced from the four mercury mines that rim the US Steel gold deposit, and about 1,000 flasks were produced from other mines in the district in this per- iod ... AUTHOR Hollister, V. F. PUBLISHED 1988 TITLE Major Mines, Mineral Processing Operations, And Mineral Resources In The U.S. Mexico Borderlands  SUMMARY ... file identifies and characterizes the major mines, mineral processing ... metallic minerals in the US part are ... cement, sand and gravel, gold, beryllium, magnesium ... AUTHOR D. K. Marjaniemi PUBLISHED 1996 TITLE Recent Trends In Refractory Gold Treatment Projects In China  SUMMARY ... The following comparison illustrates the net results of all these variations on a recent project: Rl!:LM'IVB OPERATING COSTS US China ... SELECTED GOLD MINES ... AUTHOR Wesely, R. J. PUBLISHED 1993 Showing: 1 to 10 of 8170 matches for "U.S. gold mines"  Page   1   2   3   4   5   6   7   8   9  next Search Again