Specimen Number4-8-004Alternate NumberM-4CommentsSupergene enriched quartz monzonite porphyry. Collected from near M-2 (4-8-002), unit is mostly argillized and cut by quartz-sericite-pyrite veinlets, with the pyrite coated in sooty chalcocite. This material was important ore-grade material, running >1% Cu and Mo to 0.01%. Origin of kaolin uncertain (hypogene vs. supergene).In Teaching CollectionNoMineral(s)chalcocitefeldsparkaolinitequartzRock Namequartz monzoniteDistrictCopper MountainMineMorenciExternal LinkMindatGeo-LocationundefinedSub-LocationundefinedDeposit TypePorphyry CopperGeo-Coords[1] Reference MaterialACL-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.