Specimen NumberCRC-1272CommentsBeautiful museum-grade sample, Portage Lake volcanic rock with native silver and copper, and abundant epidote. Currently on display, UGA GG Bldg., hall cabinet 10.In Teaching CollectionNoMineral(s)silvercopperRock NameCrowe reference collectionDistrictKeweenawMineChampion, KeeweenawExternal LinkMindatDeposit TypeKeweenaw CopperGeo-Coords[1] CitationAnalytical work financially supported by the UGA Department of Geology. Mr. Christopher J. Fleisher is acknowledged for providing technological support for EDS analyses.