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Summary nd Conclusions
Selecting the Metallurgical Processes
Ammenability of Colorado Produced Ores
9 other sections not shown
Acid Plant ACTIVE DEVELOPMENT PRESENTLY Animas Forks annual average Avonmouth base metal blast furnace bullion cadmium caldera cash flow coke Colorado Metal Refining concentrates contain copper Creek Crested Butte development and production DEVELOPMENT OR PRODUCTION DEVELOPMENT PRESENTLY UNDERWAY district exploration and development faults feet fertilizer flotation mill freight Front Range geologic Gilman gold Gulch I.S.P. furnace Idaho Springs Imperial Smelting Processes Intermittent development lead refinery Leadville limestone Metal Refining Complex MINES WITH RECORD Mining Company Minor development Mosquito Range Mountain net-backs operating costs Paleozoic percent porphyry pre-Cambrian PRODUCTION FROM l950 production was reported properties PROPOSED FOR l964 pyrite quartz quartz monzonite quartzite RECORD OF DEVELOPMENT refinery complex refinery units reserves shoots silver Silver Plume Silverton sinter sinter plant slab zinc smelter sulphuric acid Table Telluride Tertiary tion tunnel UNDERWAY OR PROPOSED volcanic zinc refinery