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19 p, 3.6 MB In situ thermochemical sulfate reduction during ore formation at the Itxaspe Zn-(Pb) MVT occurrence (Basque-Cantabrian basin, Northern Spain) / Piqué, À. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Canals i Sabaté, Àngels (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Disnar, J. R. (Université d'Orléans. Institut des Sciences de la Terre d'Orléans) ; Grandia, F. (Amphos 21)
Organic matter is thought to play a role in the genesis of many Mississippi Valley-type (MVT) deposits, acting as a reducing agent during thermochemical sulfate reduction (TSR). Although TSR is an extremely slow reaction t low temperatures (<100ºC), under favorable conditions it may supply the necessary reduced sulfur during ore formation. [...]
2009 - 10.1344/105.000001448
Geologica acta, Vol. 7, Núm. 4 (Desembre 2009) , p. 431-449  

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