5-3-001: quartz monzonite - Silver Bell District - Silver Bell Mine

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Specimen Number5-3-001Alternate NumberSB-1CommentsSilver Bell quartz monzonite. Larimide age equigranular quartz monzonite, composed of quartz + perthitic orthoclase + plagioclase + biotite. Collected 3500 ft. from Oxide Pit orebody, fresh to weakly propylitized. Plagioclase is pale green, with sparse flecks of chlorite and montmorillonite. Biotite chloritized, with transported limonite, black Mn-oxides, and trace chrysocolla and copper oxides along fractures. Quartz and K-spar unaltered. Minor epidote.In Teaching CollectionNoMineral(s)biotitechloritefeldsparquartzRock Namequartz monzoniteDistrictSilver BellMineSilver BellExternal LinkMindatGeo-Location3500 from the oxide pitSub-LocationundefinedDeposit TypePorphyry CopperGeo-Coords^[1]Reference MaterialACL-127: Dilbert, C., and Davis, S., 1981, Trip #10 Silver Bell-North Silver Bell Deposits, in Wilkins, J., coord., AZ Geol. Soc. And Univ. AZ 1981 Symposium on Relations of Tectonics to Ore Deposits in the southern Cordillera.

ACL-173: Anzalone, S.A., Beane, R.E., Davis, S.R., Graybeal, F.T., Guilbert, J.M., Oakley, C.A., Titley, S.R., and West, R.M., org., 1979, Society of Economic Geology Field Conference on Tucson-Area Porphyry Copper Deposits, Tucson, AZ, May 3-6, 1979, 205 p.

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5-3-001: quartz monzonite - Silver Bell District - Silver Bell Mine

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5-3-001: quartz monzonite - Silver Bell District - Silver Bell Mine