Specimen Number35-6-022Alternate Number63-5-008CommentsColusite with abundant secondary alteration phases, should XRD to confirm.In Teaching CollectionNoMineral(s)colusiteRock NameCu oreDistrictButteMineTramwayExternal LinkMindatGeo-Location2800' level.Deposit TypePorphyry CopperGeo-Coords[1] Donated 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.
35-6-022: Cu ore - Butte District - Tramway Mine. Franklin College Collections, accessed 08/11/2025, https://digitalcollections.franklin.uga.edu/nodes/view/54606