Specimen Number11-1-040Alternate Number78-943In Teaching CollectionNoMineral(s)hornblendeplagioclasequartzRock NametonaliteDistrictSan Jose de las MatasMineMata Grande CopperGeo-LocationundefinedSub-LocationundefinedDeposit 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.
11-1-040: tonalite - San Jose de las Matas District - Mata Grande Copper Mine. Franklin College Collections, accessed 15/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/30671