Specimen Number32-5-018Alternate Number65-15-33 (T-27)CommentsDuluth gabbro, minor ilmenite.In Teaching CollectionNoMineral(s)plagioclasepyroxeneilmeniteRock NamegabbroDistrictMinnesotaExternal LinkUSGS MRDSGeo-LocationDuluth Complex.Sub-LocationPoplar Lake. From an outcrop on the south side of the Gunflint Trail, halfway across S1, T64N, R2W.Deposit TypeLayered mafic intrusionDonated ByUniversity of Wisconsin-Madison Department of Geoscience
32-5-018: gabbro - Minnesota District - Unknown Mine. Franklin College Collections, accessed 13/11/2026, https://digitalcollections.franklin.uga.edu/nodes/view/53592