Arkachan: A new gold–bismuth–siderite–sulfide type of deposits in the West Verkhoyansky tin district, Yakutia

The formation sequence of orebodies, chemical composition of gangue and ore minerals, fluid inclusions, REE patterns, 40Ar/39Ar isotopic age, and relationships of stable isotopes (C, O, S) in minerals of the Arkachan gold–bismuth–siderite–sulfide deposit have been studied. The deposit has been localized in the Kuranakh Anticlinorium of the Verkhoyansky Fold–Nappe Belt at the intersection of the near-meridional Kygyltas and the NE-trending North...