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The Influence of Scheelite on the Character of Secondary Molybdenum
Scheelite Occurrences Near Alta Little Cottonwood Canyon Utah
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50 feet Alta granodiorite Alta stock Alta United Mines American Fork Canyon approximately assay associated beds Big Cottonwood Canyon Big Cottonwood Tunnel Buranek Bureau of Mines Calkins Clayton Peak stock contact metamorphic contact zone containing copper Cottonwood quartz monzonite Cottonwood-American Fork area Deer Creek Canyon Deer Creek fault diopside diorite drift Dwyer tunnel exposed ferrimolybdite fluorescence fluorescence color granodiorite hydrozincite Kate Hayes Fissure lamprophyre lamprophyre dike limestone Little Cottonwood Canyon Little Cottonwood quartz Little Cottonwood stock magma magnetite marblized Maxfield limestone metasomatism mineralized zone molybdate molybdenite molybdenum Mountain Lake northeast northwest occur Ophir shale oreshoot outcrop oxidized percent powellite Powellite Fissure precipitated prospects quartz monzonite Rustler Ridge Salt Lake City scheelite crystals Scheelite Fissure sedimentary solutions South Columbus Tunnel South Hecla southwest strike Sulphide Stope surface tactite thrust plane tungsten tungsten deposits tungstenite U. S. Bureau U. S. Geological Survey ultra-violet lamp United Mines Company Wasatch Range Western Tunnel