Abstract
For the first time, silver nuggets were found in the gold-bearing placers of the Subpolar Urals. Galena, cassiterite, wolframite, cosalite, tetradymite, ferberite, cobaltine, joseite-B, native bismuth associate with silver and gold. Silver is mainly represented by poorly rounded and non-round gray lumpy, slightly flattened, elongated particles of 2-2.5 cm size. As part of silver, Au and Hg sometimes contain impurities. Inclusions are represented by small particles of gold, bismuth and tellurium mineral phases. Research results indicate a fairly widespread development of Au-Ag-Bi-Te mineralization, the primary manifestations of which are not yet known in the region. Relatively weak roundness of silver nuggets, presence of major and poorly rounded gold indicates the proximity of the primary sources to gold-bearing placers.
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