The Urals is a world-known standard for study of the genesis of platinum deposits in zoned mafic-ultra-mafic complexes of the Uralian or Uralian-Alaskan type. However, many principle aspects of their geology and geochemistry need additional study at the modern level to substantiate formation models and develop criteria for forecasting ores. The data on new platinum occurrences (Dunitov and Syrkov) and extensive materials from the Gosshakhta, Krutoi Log, and other abandoned deposits provided the basis for the study of processes of rock and ore formation. In total, over 400 samples have been studied, 245 samples from the Solov'evy Gory Massif included. Contents of PGE (Pt, Pd, Rh, Ir, Os, and Ru) in them were determined by the chemical-spectral and spectral photometric methods. Some samples were studied by the ICP-MS method in the BRGM laboratory (France).
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