Shoshonitic intrusive suite in SE Guangxi: Petrology and geochemistry

被引：45

作者：

Li, XH ^{[1
]}

Zhou, HW

Liu, Y

Lee, C

Sun, M

Chen, CH

机构：

[1] Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China

[2] Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China

[3] Natl Taiwan Univ, Dept Geol, Taipei 10617, Taiwan

来源：

CHINESE SCIENCE BULLETIN | 2000年 / 45卷 / 07期

关键词：

shoshonitic rocks; petrology; element geochemistry; Guangxi;

D O I：

10.1007/BF02886045

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A NE-direction Mesozoic shoshonitic intrusive suite in SE Guangxi has been identified in terms of geological, petrological and geochemical investigations. The shoshonitic intrusives are characterized by enrichment of LILE, HFSE and LREE and no obvious Nb-Ta depletion, similar to those potassic rocks formed in within-plate and rifting environments. Unlike most shoshonitic rocks forming in are settings, the SE Guangxi shoshonitic intrusives were likely generated during regional lithosphere extension induced by upwelling of asthenosphere mantle.

引用

页码：653 / 659

页数：7

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