A physicochemical model for the volcanic hydrothermal ore-forming system of epithermal gold-silver deposits, Northeastern Russia

被引：4

作者：

Karpov, IK ^{[1
]}

Kravtsova, RG ^{[1
]}

Chudnenko, KV ^{[1
]}

Artimenko, MV ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Geochem, Siberian Branch, Irkutsk 664033, Russia

来源：

JOURNAL OF GEOCHEMICAL EXPLORATION | 2000年 / 69卷

关键词：

gold; epithermal hydrothermal deposits; physicochemical-processes simulation;

D O I：

10.1016/S0375-6742(00)00133-3

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

For research on physicochemical processes of dissolution, transportation, and deposition of Au and Ag in epithermal deposits, a model containing 12 reservoirs was devised. The composition of deep-seated sub-ore solutions resulting from the "solution-andesite'' and "solution-rhyolite'' interaction was determined, showing that Au and Ag may be mobilized through the ore-bearing fluids, even from rocks with Clark concentration. Simulations allowed for the inference that the main source of reserves of Au and Ag in the Cretaceous Okhotsk-Chukotka volcanic plutonic belt (Russia's part of the Circum-Pacific belt) is magmatic chambers derived from the initial andesite magma. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：323 / 325

页数：3

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