Specimen Number11-3-025Alternate Number80-211Commentsfrom above the ore zoneIn 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.
11-3-025: shale - Rio Tinto District - Aznalcollar Mine. Franklin College Collections, accessed 08/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/30779