Specimen Number47-7-031Alternate Number77-33CommentsAltered granodiorite.In Teaching CollectionNoMineral(s)quartzfeldsparamphiboleclayField NotesSample from PhD (U Michigan) of Dr. Phil Brown, longtime Professor of Geology at University of Wisconsin-Madison. Image below shows field notes associated with this sample.Rock Namealtered granodioriteDistrictTungsten HillsMinePine CreekExternal LinkMindatGeo-Location9059 level, 2nd drift.Deposit TypeSkarnGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience