Specimen NumberTC-2-4-012Alternate NumberDEC-UP-2CommentsPolished slab of Keeweenaw basalt with abundant native Cu.In Teaching CollectionYesMineral(s)copperRock NameCu oreDistrictKeweenawDeposit TypeKeweenaw CopperReference MaterialACL-143: White, W.S., 1966, Tectonics of the Keeweenaw Basin, Western Lake Superior Region; U.S. Geol. Surv. Prof. Paper 524-E, Washington, D.C., 22 p.
TC-2-4-012: Cu ore - Keeweenaw District - Undefined Mine. Franklin College Collections, accessed 06/11/2025, https://digitalcollections.franklin.uga.edu/nodes/view/37573