Specimen Number45-3-017Alternate Number49-6-21CommentsPredominantly chloritized, with large clots of biotite, may be altered gneiss host?In Teaching CollectionNoMineral(s)chloritebiotiteRock Namealtered gneissDistrictRoselandMinePiney RiverExternal LinkUSGS MRDSDeposit TypeAnorthosite TiGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience