Specimen Number35-8-017Alternate Number10636Comments"Enriched pyrite ore"; strongly phyllically altered granite with abundant disseminated pyrite + chalcopyrite as well as several crosscutting veins of quartz + chalcocite + pyrite.In Teaching CollectionNoMineral(s)quartzsericitepyritechalcopyritechalcociteRock NameCu oreDistrictButteExternal LinkMindatDeposit TypePorphyry CopperThin SectionBox 7, slot 86Donated ByUniversity of Wisconsin-Madison Department of GeoscienceReference MaterialACL-125: Miller, R.N., ed., 1973, Guidebook for the Butte Field Meeting of Society of Economic Geologists, Butte, Montana, August 18-21, 1973.
35-8-017: Cu ore - Butte District - Unknown Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/54725