Specimen Number40-8-007Alternate Number64-3-1CommentsInterbedded BIF and graywacke. Zone B, Negaunee Formation.In Teaching CollectionNoMineral(s)magnetitechertquartzfeldsparRock NameFe oreDistrictMarquette RangeMineEmpire, MIExternal LinkMindatDeposit TypeBIFGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
40-8-007: Fe ore - Michigan District - Empire, MI Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/57854