A geodynamic perspective of world-class gold deposits in East Asia

被引：38

作者：

Khomich, Vadim G. ^{[1
]}

Boriskina, Natalia G. ^{[1
]}

Santosh, M. ^{[2
]}

机构：

[1] Russian Acad Sci, Far East Branch, Far East Geol Inst, Vladivostok 690022, Russia

[2] China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China

来源：

GONDWANA RESEARCH | 2014年 / 26卷 / 3-4期

关键词：

Slab subduction; Mantle dynamics; Gold mineralization; Magmatism; SE Asia; NORTH CHINA CRATON; JIAODONG PENINSULA; STRUCTURAL POSITION; TRANSBAIKAL REGION; ORE DISTRICTS; EVOLUTION; MINERALIZATION; METALLOGENY; AMUR; TECTONICS;

D O I：

10.1016/j.gr.2014.05.007

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The world-class gold-ore districts of South-East Russia and North-East China are located above the frontal and peripheral regions of subducted oceanic lithosphere accumulated as stagnant slabs in the mantle transition zone generated by paleo-Pacific plate subduction. The highly productive ore systems of the Aldan (South Yakutiya), Baley (Transbaikalia), and Zhao-Ye (jiaodong) metallogenic belts which are widely separated in space, but formed at the same time, are associated with similar mechanisms of huge magma flare-ups in the Middle-Jurassic-Early Cretaceous driven by deep mantle processes. Their common features and crust-mantle interaction signature offer important clues to mantle dynamics rooted along the periphery of the subducted slabs in a mega-convergent zone in East Asia. (C) 2014 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.

引用

页码：816 / 833

页数：18

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