Weathering of Ordinary Chondrites from the Atacama Desert, Chile: First Results from Mössbauer Spectroscopy

FROM THE ATACAMA DESERT, CHILE: FIRST RESULTS FROM MOSSBAUER SPECTROSCOPY. E. M. Valenzuela, Y. Abdu, R.B. Scorzelli, J.B. de Campos, M. Duttine, D. Morata. Dep. de Geologia, Universidad de Chile, Santiago, Chile, edvalenz@cec.uchile.cl,; Centro Brasileiro de Pesquisas Fisicas (CBPF/MCT), RJ, Brazil, scorza@cbpf.br; Instituto Nacional de Tecnologia (INT/MCT), RJ, Brazil. *On leave from Centre de Recherches em Physique Applique a l Archeologie (CRPAA), Bordeaux, France.