Bullock, E. S.; McKeegan, K. D.; Gounelle, M.; Grady, M. M. and Russell, S. S.
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 August 2004, Rio de Janeiro, Brazil.
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From the Introduction: The CM chondrites have endured variable degrees of aqueous alteration  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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