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Manganese oxides as biominerals in a granitic subterranean environment
Miller, A.; Dionísio, A.; Braga, M. A. Sequeira; Afonso, M. J.; Jurado, V.; Fernandez-Cortes, A.; Cuezva, S.; Sanchez-Moral, S.; Saiz-Jimenez, C.Black coatings were detected on granite surfaces in groundwater catch work tunnels from Porto city (NW Portugal). XRD, FTIR, Micro-Raman, ICP-MS, TEM-EDS, SEM-EDS and SEM-FIB were the analytical procedures carried out to investigate the origin of the black coatings. In this subterranean environment, the enrichment in metals and other trace elements, such as Mn and Fe, and clay minerals characterize the black mi...
Data: 2011
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Origem: RepositóriUM - Universidade do Minho
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