Abstract
Within the Sikhote-Alin orogenic belt, a new promising type of mineral resources has been identified – complex ores and placers spatially and genetically related to Late Mesozoic ultramafic intrusions. An example of this is the Ariadne massif of ultramafic rocks, in the center of which there is a manifestation of gold-titanium mineralization, and in the exocontact – gold-antimony. The main features of the mineralogy and geochemistry of gold-copper formations in its near-intrusive zone are determined. To reconstruct the conditions for the formation of these ores, the isotopic composition of sulfur in sulfide minerals was studied. The obtained materials testify to the significant metal-bearing potential of the ultramafic rocks of the Sikhote-Alin.
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