Alkali-rich igneous rocks and related Au and Cu large and superlarge deposits in China

被引：7

作者：

赵振华

熊小林

王强

包志伟

张玉泉

谢应雯

任双奎

机构：

[1] Chinese Academy of Sciences

[2] Guangzhou 510640

[3] Guangzhou Inslitute of Geochemistry

[4] China

[5] Guangzhou Institute of Geochemistry

来源：

Science China Earth Sciences | 2003年 / S1期

关键词：

alkali-rich igneous rocks; shoshonitic series rocks; large and superlarge Au and cupper deposits;

D O I：

暂无

中图分类号：

P618.51 [金];

学科分类号：

0709 ; 081803 ;

摘要：

The alkali-rich igneous rocks in China occur as fifteen linear distributed belts of each extending several hundreds to several thousands kilometers in length. These include most types of alkali-rich igneous rock categories discovered worldwide. The related Au, Cu large and superlarge deposits or metallogenic focus-areas include Dongping, Guilaizhuang, Yulong, ete. Direct and in-direct genetic links have been found between alkali-rich igneous rocks and Au, Cu mineralization. The petrogenesis and metallogenesis of the alkali-rich igneous rocks are mainly controlled by (1) mantle enrichment, (2) strong interaction between mantle and crust, (3) lower contens of s黮f黵, high for and high contents of volatiles, (4) the significant turn of regional tectonic framework from compress to extension and (5) the strong change of regional lithosphere structure.

引用

页码：1 / 13

页数：13

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