Specimen Number35-8-014Alternate Number10621CommentsPervasively phyllically altered granite with disseminated chalcocite.In Teaching CollectionNoMineral(s)quartzsericitechalcocitemalachiteDistrictButteExternal LinkMindatDeposit TypePorphyry CopperThin SectionBox 7, slots 83-84Donated 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.
35-8-014: Unknown - Butte District - Unknown Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/54723