Abstract
The results of special-purpose investigations of the informativity of the SEM-XRSA method in the study of PGE- and Au-rich inclusions in highly carbonaceous rock matrixes are presented. As exemplified by the black schists of the Late Proterozoic-Early Cambrian Kimkan and Sutyr rock sequences of the Bureya massif in the Russian Far East, the SEM-XRSA method is an efficient tool for the prospecting and study of such inclusions. The method yields correct estimates of their chemical composition characterized by the presence of a substantial amount of admixtures, including oxygen and carbon.
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