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  1. No Access

    Chapter and Conference Paper

    Fe2+-Mg order–disorder study in orthopyroxenes from São João Nepomuceno (IVA) iron meteorite

    São João Nepomuceno (SJN) is an iron meteorite belonging to IVA chemical group. It consists of Fe-Ni metal matrix and silicate inclusions made of a coarse-grained mixture of tridymite, orthopyroxene and clinop...

    E. dos Santos, R. B. Scorzelli, M. E. Varela, P. Munayco in LACAME 2012 (2014)

  2. No Access

    Chapter and Conference Paper

    57Fe Mössbauer spectroscopy studies of chondritic meteorites from the Atacama Desert, Chile: Implications for weathering processes

    Some terrestrial areas have climatic and geomorphologic features that favor the preservation, and therefore, accumulation of meteorites. The Atacama Desert in Chile is among the most important of such areas, k...

    P. Munayco, J. Munayco, M. Valenzuela, P. Rochette, J. Gattacceca… in LACAME 2012 (2014)

  3. No Access

    Chapter and Conference Paper

    Room temperature 57Fe Mössbauer spectroscopy of ordinary chondrites from the Atacama Desert (Chile): constraining the weathering processes on desert meteorites

    We report the results of a study on the weathering products of 21 meteorites found in the Atacama Desert (Chile) using room temperature 57Fe Mössbauer spectroscopy (MS). The meteorites are weathered ordinary chon...

    M. Valenzuela, Y. Abdu, R. B. Scorzelli, M. Duttine, D. Morata, P. Munayco in LACAME 2006 (2009)