Abstract

The article presents novel results of studies of the mineral composition of placer samples, morphological and chemical study of native gold from alluvial deposits in the Pokyu River (Middle Timan). The main minerals in the heavy fraction of concentrates are garnet and ilmenite. Most samples contain gold from occasional particles to certain grades. Small (0.25–1.0 mm) medium-rounded gold of plate and tabular form prevails. The only impurity is silver, the content of which is 0.5–27 wt. %. Almost all gold particles have a high-grade rim. The gold contains microinclusions of galena and gersdorffite.

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