Specimen Number11-3-021Alternate Number80-207In Teaching CollectionNoMineral(s)chloritequartzsericiteRock NameshaleDistrictRio 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.
11-3-021: shale - Rio Tinto District - Aznalcollar Mine. Franklin College Collections, accessed 15/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/30775