An ion probe study of the sulphur isotopic composition of Fe-Ni sulphides in CM carbonaceous chondrites

Bullock, E. S.; McKeegan, K. D.; Gounelle, M.; Grady, M. M. and Russell, S. S. (2004). An ion probe study of the sulphur isotopic composition of Fe-Ni sulphides in CM carbonaceous chondrites. In: 67th Annual Meeting of the Meteoritical Society, 2-6 Aug 2004, Rio de Janeiro, Brazil.

URL: http://www.lpi.usra.edu/meetings/metsoc2004/pdf/51...

Abstract

From the Introduction: The CM chondrites have endured variable degrees of aqueous alteration [1] which has changed their original mineralogy. A detailed study of the petrology and mineralogy of the sulphides in a suite of increasingly aqueously altered CMs, combined with sulphur isotope data measured in situ, can provide clues as to whether differences in the CM group are a result of different degrees of aqueous alteration, or whether they are the result of nebular heterogeneity.

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