Specimen Number4-3-028Alternate Number64-82Commentsintense alteration; protolith is unknownIn Teaching CollectionNoMineral(s)clayquartzRock Namealtered volcanicDistrictToquepala, PeruMineToquepalaExternal LinkMindatGeo-LocationundefinedSub-LocationundefinedDeposit TypePorphyry CopperGeo-Coords[1] Reference MaterialACL-58: Richard, K., and Courtright, J.H., 1957, An introduction to the Geology of Toquepala, Peru, Amer. Inst. Mining Metall. Pet. Engineers, New Orleans, USA, February 28, 1957, 8 p.
4-3-028: altered volcanic - Toquepala, Peru District - Toquepala Mine. Franklin College Collections, accessed 08/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/31714