Investigation of precious metal inclusions in highly carbonaceous rocks by the SEM and X-Ray spectrum analysis methods |
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| Authors: | N. V. Berdnikov N. S. Konovalova V. Ye. Zazulina |
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| Affiliation: | (1) Center for Microscopy and Microanalysis, The University of Queensland, Brisbane, 4072, Australia;(2) School of Integrative Biology, The University of Queensland, Brisbane, 4072, Australia;(3) National Research Centre for Environmental Toxicology, 39 Kessels Road, Coopers Plains, Brisbane, 4108, Australia;(4) School of Engineering, The University of Queensland, Brisbane, 4072, Australia |
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| 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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