Mineralogical features of gold of the Permian conglomerates of the Sololiy uplift of the Olenek high (Northeastern Siberian platform)

Typomorphic features of placer gold conglomerates the Ortokinskaya formation Early Permian age (P1or) Sololiy Uplift Olenek High and modern channel alluvium Ortoku Eekit river, which drains these deposits, are studied. It is found that extremely heterogeneous composition complex inner structure typical vast majority conglomerates. There several stages different fineness (from 251‰ to 999‰) within a single particle, as result, has mosaic-block structure. proposed such heterogeneity formed due epigenetic transformations primary medium-grade in an intermediate reservoir age, also under influence superposed hydrothermal mineralization with low-grade gold, related processes Mesozoic tectonomagmatic activation. The latter indicated by discovery impregnated gold-sulfide Ore represented silver, pyrite, sphalerite, chalcopyrite, galena, argentite, native tin, barite. Association thin tectonic zones conglomerate fragmentation, suggests type was result manifestations activation, when gold-bearing solutions migrated faults. determined auriferous were major sources studied part Eekit.