5-3-009: quartz monzonite - Silver Bell District - Silver Bell Mine

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Specimen Number5-3-009Alternate NumberSB-8CommentsSilverbell quartz monzonite. Contains K-spar + pyrite + biotite + chalcopyrite veinlets. Plagioclase phenocrysts away from veinlets are argillically altered, or in some cases sericitized. Alteration not pervasive potassic, but rather restricted to microveinlets. Can see effect of collapsing of alteration facies, with potassic overprinted by phyllic and argillic facies.In Teaching CollectionNoMineral(s)biotitechalcopyritefeldsparquartzRock Namequartz monzoniteDistrictSilver BellMineSilver BellExternal LinkMindatGeo-LocationundefinedSub-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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5-3-009: quartz monzonite - Silver Bell District - Silver Bell Mine

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5-3-009: quartz monzonite - Silver Bell District - Silver Bell Mine