TC-1-3-006: altered granodiorite - San Manuel District - San Manuel Mine

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Specimen NumberTC-1-3-006Alternate NumberSM-7CommentsLaramide quartz monzonite porphyry. Pervasive potassic alteration with abundant K-spar flooding and veining, as well as secondary biotite and sericite. Locally developed porosity reflects early (and now gone) anhydrite or calcite. Sample from reasonably deep in San Manuel-Kalamazoo system, and stable alteration assemblage is quartz + K-spar + sericite + chlorite. Chalcopyrite is dominant sulfide, this material likely runs 0.2% Cu.In Teaching CollectionYesMineral(s)chalcopyritek-sparpyritequartzRock Namealtered granodioriteDistrictSan ManuelMineSan ManuelExternal LinkMindatDeposit TypePorphyry CopperReference MaterialACL-110: Mine staff San Manuel Division, 1963, Magma Copper Company San Manuel Division General Information Booklet, internal company report, 21 p.

ACL-111: Mine staff San Manuel Division, 1969, Magma Copper Company San Manuel Division General Information Booklet, internal company report, 11 p.

ACL-112: Mine staff San Manuel Division, 1970, Magma Copper Company San Manuel Division General Information Booklet, internal company report, 14 p.

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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TC-1-3-006: altered granodiorite - San Manuel District - San Manuel Mine

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TC-1-3-006: altered granodiorite - San Manuel District - San Manuel Mine