Specimen Number28-9-224Alternate NumberA-303Commentsfrom Bob Carpenter research collectionIn Teaching CollectionNoMineral(s)chalcopyriteRock Namepolished plugsDistrictDominican RepublicMineMata Grande CopperDeposit TypeVeinGeo-Coords[1] Reference MaterialACL-82: Kesler, S.E., 1978, Metallogenesis of the Caribbean Region, Jour. Geol. Soc., v. 135, part 4, p. 429-441.
28-9-224: polished plugs - Dominican Republic District - Mata Grande Copper Mine. Franklin College Collections, accessed 07/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/36228