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Flotation and cyanidation tests on a gold-copper sulfide ore from Cooke, Mont.

Process for recovering gold and silver from activated carbon by leaching and electrolysis

Concentration tests of selected California-Nevada manganese ores

Leach-precipitation-flotation tests of a California copper-gold ore

Chloride volatilization of oxidized lead ore from Eureka, Nevada

Experiments in reducing the phosphorus content of a Nevada iron ore

Published Year

• 1950-1959 (6) *

Subject

• Copper ores--California--Testing (1)
• Copper ores--Montana (1)
• Cyanide process (1)
• Flotation (1)
• Gold (1)
• Gold ores--California--Testing (1)
• Gold ores--Montana (1)
• Iron ore--Nevada (1)
• Lead ores--Nevada--Eureka (1)
• Manganese ores--California (1)
• Manganese ores--Nevada (1)
• Mine examination--California (1)
• Ore-dressing (1)
• Silver (1)

Author

• Heinen, H. J. (6) *
• Engel, A. L. (3)
• Engel, Abraham L. (3)
• Morrice, E. (1)
• Shedd, E. S. (1)
• Zadra, J. B. (1)

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