Specimen Number47-7-009Alternate Number77-10CommentsFine-grained dark hornfels with quartz + calcite crosscutting veins.In Teaching CollectionNoMineral(s)biotitequartzcalciteField 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 NamehornfelsDistrictTungsten HillsMinePine CreekExternal LinkMindatGeo-Location900 level.Deposit TypeSkarnThin SectionBox 9, slot 50Geo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience