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Title

Secondary Products of Arsenopyrite in the Terrubias Mining Area (Salamanca, Spain)

AuthorsMurciego, A.; Pellitero Pascual, E.; Rodríguez González, M. Ángeles; Álvarez Ayuso, Esther CSIC ORCID ; García Sánchez, Antonio CSIC; Rubio Alonso, Fausto CSIC ORCID CVN ; Rubio Alonso, Juan CSIC ORCID; Rubín, Javier CSIC
KeywordsArsenopirita
Escorodita
AFA
HFO
Goethita
Arsenopyrite
Scorodite
Goethite
Issue Date2010
PublisherSociedad Española de Mineralogía
CitationMacla 13: 165-166 (2010)
AbstractOxidation of arsenopyrite can result in the mobilisation and migration of As into the environment. This study considers the arsenopyrite-rich mine wastes that have undergone more than three decades of oxidation in the Terrubias mining area. In this area two Sn-W mineralization types are present: stratiform with calcosilicate bands, and in subvertical veins of NNE-NE and N100-130E directions, cutting the scheelite-rich calcosilicate bands. The paragenesis of these veins is dominated by quartz, mica, turmaline, wolframite, scheelite, casiterite and arsenopyrite. The aim of this work is to identify the arsenopyrite oxidation products in the Terrubias mining area in order to evaluate if arsenic is fixed by them or, on the contrary, is easily released, with the consequent risk of contamination of surrounding ecosystem compartments.
Description2 páginas, 4 figuras.-- Trabajo presentado a la XXX Reunión de la Sociedad Española de Mineralogía, celebrada en Madrid entre el 13 y 16 de Septiembre de 2010.
Publisher version (URL)http://www.ehu.es/sem/revista/macla.htm
URI10261/30930
ISSN1885-7264
Appears in Collections:(ICV) Artículos
(IRNASA) Artículos
(ICMA) Artículos

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