Permo-Triassic magmatism and metallogeny of Northern Vietnam in relation to the Emeishan plume

被引：129

作者：

Tran Trong Hoa ^{[1
]}

Izokh, A. E. ^{[2
]}

Polyakov, G. V. ^{[2
]}

Borisenko, A. S. ^{[2
]}

Tran Tuan Anh ^{[1
]}

Balykin, P. A. ^{[2
]}

Ngo Thi Phuong ^{[1
]}

Rudnev, S. N. ^{[2
]}

Vu Van Van ^{[1
]}

Bui An Nien ^{[1
]}

机构：

[1] Vietnam Acad Sci & Technol, Inst Geol, Hanoi, Vietnam

[2] Russian Acad Sci, Siberian Branch, Inst Geol & Mineral, Novosibirsk 630090, Russia

来源：

RUSSIAN GEOLOGY AND GEOPHYSICS | 2008年 / 49卷 / 07期

基金：

俄罗斯基础研究基金会;

关键词：

Permo-Triassic; large igneous provinces; Emeishan; plume; geochronology; Vietnam;

D O I：

10.1016/j.rgg.2008.06.005

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We have shown that the occurrences of Permo-Triassic magmatism in northern Vietnam compose the southwestern and southeastern flanks of the Emeishan large igneous province, shifted along the large-amplitude Ailao Shan-Red River shear zone. Based on new geochronological (U-Pb and Ar/Ar) data, two stages of magmatism related to the Emeishan plume have been recognized. At the first, Permian, stage (260 Ma), abundant picritoids of the Song Da and Song Hien zones formed, and at the second, gabbro-syenite and gabbro-monzodiorite associations of the Lo Gam zone, layered peridotite-gabbro massifs of the Nui Chua complex, high-alumina granites of the Phia Bioc complex, and basalt-rhyolite association of the Song Hien zone were produced. The metallogenic specialization of the Permo-Triassic magmatism of northern Vietnam is considered. (c) 2008, IGM, Siberian Branch of the RAS. Published by Elsevier B.V. All rights reserved.

引用

页码：480 / 491

页数：12

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