Geological position and composition of Au-Ag ores of Central Chukotka

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Abstract


The Upper Yablon and Penzhina-Anadyr metallogenic zones lie within the Central sector of the Okhotsk-Chukchi volcanogenic belt. These zones are made of Cretaceous volcanic covers and bodies of comagmatic subvolcanic and extrusive varieties. Volcano-tectonic structures define positions of ore clusters (trends) bearing Au-Ag mineralization. Argentiferous sulfosalts and fahlerz are most typical of ore-bearing veins and veinlet zones of the Upper Yablon zone, whereas acanthite prevails among the ore minerals in the Penzhina-Anadyr zone.

D A Lorentz

FGUP-CNIGRI

FGUP-CNIGRI

A P Sergievski

FGUP-CNIGRI

FGUP-CNIGRI

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Copyright (c) 2009 Лоренц Д.А., Сергиевский А.П.

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