Statistics of Mines and Mining in the States and Territories West of the Rocky Mountains: Being the [1st-8th] Annual Report of Rossiter W. Raymond, U.S. Commissioner of Mining StatisticsU.S. Government Printing Office, 1872 |
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Seite 165
... sulphate was the basis . These experiments succeeded beyond expecta- tion . Mr. Janin found that even the base ores yielded as readily to the suasion of chemicals as the Comstock slimes ; whereas , when treated with quicksilver alone ...
... sulphate was the basis . These experiments succeeded beyond expecta- tion . Mr. Janin found that even the base ores yielded as readily to the suasion of chemicals as the Comstock slimes ; whereas , when treated with quicksilver alone ...
Seite 166
... sulphate and salt more than counterbalances the amount of copper entering into the amalgam . Thus , paradoxical as it may seem , finer bullion is in reality extracted by the use of sulphate of copper . Mr. Janin has introduced a very ...
... sulphate and salt more than counterbalances the amount of copper entering into the amalgam . Thus , paradoxical as it may seem , finer bullion is in reality extracted by the use of sulphate of copper . Mr. Janin has introduced a very ...
Seite 167
... sulphate and salt convert the silver into the metallic state . How- ever , it is necessary to remember the fact that , these ores being richer , apart from the question of baseness , it would not be just to compare the loss of ...
... sulphate and salt convert the silver into the metallic state . How- ever , it is necessary to remember the fact that , these ores being richer , apart from the question of baseness , it would not be just to compare the loss of ...
Seite 277
... Sulphate of lime , in the form of alabaster and gypsum , is met with in great quantity in the Aravaypa Cañon , while a valuable quarry of hard limestone exists near Camp Grant on the San Pedro , and an abundance of it is known to occur ...
... Sulphate of lime , in the form of alabaster and gypsum , is met with in great quantity in the Aravaypa Cañon , while a valuable quarry of hard limestone exists near Camp Grant on the San Pedro , and an abundance of it is known to occur ...
Seite 397
... sulphate of copper and salt . * The long list of materials , including tobacco - juice and sage - tea , which have been at various times recom- mended , has been reduced to these two . The quantity used varies from a quarter or half ...
... sulphate of copper and salt . * The long list of materials , including tobacco - juice and sage - tea , which have been at various times recom- mended , has been reduced to these two . The quantity used varies from a quarter or half ...
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amalgam amount antimony Arizona arrastras assay average bullion Burnt River California Cañon carried cent chloride City claims Clear Creek County Colorado contains copper cost County Creek crushing cupellation deposits depth ditch east employed Eureka expense extracted feet deep feet wide furnace galena Gilpin County gold and silver Gold Hill granite Grass Valley gravel ground Gulch hundred hydraulic hydraulic mining inches iron iron pyrites labor latter lead ledge limestone located lode metal miles mill miners Mining Company mining districts months mountain Nevada northeast opened operations ounces owners oxides pans Pine placer mines plates porphyry portion pounds present pulp pyrites quantity quartz quicksilver reduced reported rich River roasting rock salt San Francisco shaft Sierra slag slates smelting southwest stamps Steam stoping sulphate sulphurets surface tailings tion tons Total tunnel vein Wickenburg width yield zinc