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    Geochemistry of arsenic (As) in spring and stream waters from San Antonio de los Cobres, NW Argentina

    Hudson-Edwards, Karen A. and Archer, J. (2008) Geochemistry of arsenic (As) in spring and stream waters from San Antonio de los Cobres, NW Argentina. Mineralogical Magazine 72 (1), pp. 425-427. ISSN 0026-461X.

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    Abstract

    Spring and stream waters from the San Antonio de los Cobres area in NW Argentina have high concentrations of arsenic (As) (151-9490 μg l−1), of which AsV varies widely (6-∼100% of total As). Arsenic concentrations correlate with Na, K, Cl, HCO3, B and Li, which are high in the spring waters and are typical of geothermal areas world-wide. Springs near San Antonio supply large amounts of As to the Rio San Antonio de los Cobres (up to 1180 μg l−1), but these concentrations decline to 400 μg l−1 within 10 km of the spring inputs, due to dilution and mineral precipitation.

    Metadata

    Item Type: Article
    School: Birkbeck Schools and Departments > School of Science > Earth and Planetary Sciences
    Depositing User: Administrator
    Date Deposited: 09 Feb 2011 10:10
    Last Modified: 17 Apr 2013 12:18
    URI: http://eprints.bbk.ac.uk/id/eprint/1795

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