V.A. Stepanov (SRGC FEB RAS), A.V. Melnikov (IGNM FEB RAS)

KHARGA GOLD ORE PLACER SYSTEM OF THE AMUR GOLD PROVINCE

Information is provided about the Kharga gold ore system of the Amur province. More than 130 tons of gold were extracted from its gold deposits and placers. The individual elements of the system are a graben-syncline structure composed of the metamorphosed Paleozoic rocks with radial and concentric faults; Early Cretaceous gold mineralization of the gold-quartz and, to a lesser extent, gold-antimony formation, confined to the periphery of the system; as well as modern gold placers in the Kharga river basin formed due to gold mineralization.
Keywords: placer, gold deposit, gold-quartz formation, graben-syncline.