Specimen Number11-3-028Alternate Number80-213BCommentscrystal and pumice lapilliIn Teaching CollectionNoMineral(s)chloritepyritequartzsericiteRock Namepyroclastic oreDistrictRio TintoMineAznalcollarExternal LinkMindatGeo-LocationundefinedSub-LocationundefinedDeposit TypeVMSGeo-Coords[1] Reference MaterialACL-62: Barriga, F.J.A.S., and Carvalho, D., 1983, Carboniferous Volcanogenic Sulphide Mineralizations in South Portugal (Iberian Pyrite Belt), in Lemos de Sousa, M.J. and Oliveira, J.T., eds., The Carboniferous of Portugal, Memorias dos Servicos Geologicos de Portugal, no. 29, Lisbon, Portugal, p. 99-116.
ACL-62: Munha, J., 1983, Hercynian Magmatism in the Iberian Pyrite Belt, in Lemos de Sousa, M.J. and Oliveira, J.T., eds., The Carboniferous of Portugal, Memorias dos Servicos Geologicos de Portugal, no. 29, Lisbon, Portugal, p. 39-82.
11-3-028: pyroclastic ore - Rio Tinto District - Aznalcollar Mine. Franklin College Collections, accessed 09/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/30782