Specimen Number35-8-027Alternate Number61420CommentsMassive bornite.In Teaching CollectionNoMineral(s)borniteRock NameCu oreDistrictButteMineElm OrluExternal LinkMindatDeposit 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.
35-8-027: Cu ore - Butte District - Elm Orlu Mine. Franklin College Collections, accessed 14/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/54695