Specimen Number40-7-032Alternate Number67-1-5CommentsArenaceous BIF, well bedded. B unit of Negaunee Formation.In Teaching CollectionNoMineral(s)magnetitespecularitechertRock NameFe oreDistrictMarquette RangeMineEmpire, MIExternal LinkMindatDeposit TypeBIFGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience
40-7-032: Fe ore - Michigan District - Empire, MI Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/57844