Pamphlet - Idaho Bureau of Mines and Geology, Issue 37Bureau of Mines and Geology, 1934 - Geology |
Contents
Production of gold | 4 |
Classification of gold ores | 7 |
Gravity concentration | 11 |
3 other sections not shown
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Common terms and phrases
acid aerofloat agitation amalgamation process arsenopyrite assay office assayer ball mill Ball or rod bismuth black sand concentrate Bureau of Mines cent chalcopyrite chemical classifier Clean-up coarse gold Cost per 100 Cost per pound crushed cyanide process cyanide solution dissolved extraction filter fire assay flotation cell flotation process flow sheet froth furnace Gold amalgam gold and silver gold bullion gold concentrate gold flotation gold milling Gold oz gold production gold recovery process gold-bearing grinding Heads Concentrate Tailing IDAHO BUREAU Information Circular lead mercury mesh metallic gold metallurgical metallurgist Mill feed minerals MINES AND GEOLOGY Notes on Figure operation Overflow oxidized percentages pine oil Placer Mining plant production of gold pyrite quartz recovered RECOVERY OF GOLD rod mill School of Mines smelter smelting sodium sodium cyanide SODIUM SULFIDE stamp sulfides sulfuric acid telluride tellurium thickened pulp U. S. Bureau United States Mint University of Idaho xanthate zinc zinc dust