Abstract
The Milogradovo gold-silver deposit, which is of the intracaldera structural type, was formed within the ore-magmatogenic system (OMS), which combines a set of genetically and paragenetically related subvolcanic complexes, cover volcanogenic units, diatremes, hydrothermal rocks, and ore zones of variable mineral associations. The deposit is located within the Limovskaya caldera. The first U-Pb dating of zircons from the caldera’s igneous rocks using the SHRIMP method has shown that these are related to the Eocene stage of magmatism (the Milogradovo volcanic-extrusive complex). Such types of volcanic structures are widespread in the East Sikhote Alin Belt and are the most promising in the sense of Au-Ag mineralization.
Published Version
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