Shoshonitic intrusive suite in SE Guangxi: Petrology and geochemistry
Resource
Chinese Science Bulletin 45 (7): 653-659
Journal
Chinese Science Bulletin
Pages
653-659
Date Issued
2000
Date
2000
Author(s)
Li, Xianhua
Zhou, Hanwen
Liu, Ying
Lee, Chi-Yu
Sun, Min
Chen, Chenhong
Abstract
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 arc settings, the SE Guangxi shoshonitic intrusives were likely generated during regional lithosphere extension induced by upwelling of asthenosphere mantle.
SDGs
Type
journal article
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