«PIONEER» GOLD ORE DEPOSIT: HISTORY OF DISCOVERY, GEOLOGICAL STRUCTURE AND ORE COMPOSITION | Zendy

В. А. Степанов | Zendy

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«PIONEER» GOLD ORE DEPOSIT: HISTORY OF DISCOVERY, GEOLOGICAL STRUCTURE AND ORE COMPOSITION

Author(s) -

В. А. Степанов

Publication year - 2020

Publication title -

messenger amsu

Language(s) - English

Resource type - Journals

ISSN - 2073-0268

DOI - 10.22250/jasu.10

Subject(s) - geology , pyrite , geochemistry , terrigenous sediment , mineralization (soil science) , cretaceous , sulfide , intrusion , mineralogy , paleontology , metallurgy , sedimentary rock , materials science , soil science , soil water

Brief information about the history of the discovery of the large Pioner gold deposit in the Amur province is given. The main features of the geological structure of the deposit, located at the contact of the multiphase granitoid intrusion of the Early Cretaceous age and terrigenous rocks of the Middle-Late Jurassic, are shown. Ore bodies are linear stockworks of silicified and carbonated rocks with gold sulfide mineralization. Gold is both free in the form of large, small and micron-sized particles, and in bound form in pyrite. In common ores, its fineness ranges from 650 to 880 units, in rich ores it rises to 870 - 915‰.

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