Specimen Number9-8-021Alternate NumberStop #4CommentsFrom Bob Carpenter research collection. From bottom of pit, chalcocite + pyrite rich ore.In Teaching CollectionNoMineral(s)chalcocitepyriteRock NameCu oreDistrictButteMineBerkeley pitExternal LinkMindatDeposit TypePorphyry CopperGeo-Coords[1] Reference MaterialACL-125: Miller, R.N., ed., 1973, Guidebook for the Butte Field Meeting of Society of Economic Geologists, Butte, Montana, August 18-21, 1973.
9-8-021: Cu ore - Butte District - Berkeley pit Mine. Franklin College Collections, accessed 07/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/38132