Geochemistry Characteristics and Tectonic Significance of Diabase Dikes in Halaqi Region, Xinjiang

CHEN Dai-xin; SUN Jun-gang; LIU Xiao-huang; LU Shi-peng; ZHANG Xin-yong; ZHANG Wei-xin

2013 Vol. 46, No. 4

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Article navigation > Northwestern Geology > 2013 > 46(4): 81-92

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CHEN Dai-xin, SUN Jun-gang, LIU Xiao-huang, LU Shi-peng, ZHANG Xin-yong, ZHANG Wei-xin. Geochemistry Characteristics and Tectonic Significance of Diabase Dikes in Halaqi Region, Xinjiang[J]. Northwestern Geology, 2013, 46(4): 81-92.

Citation:

Geochemistry Characteristics and Tectonic Significance of Diabase Dikes in Halaqi Region, Xinjiang

1.
School of Earth Sciences and Resources/Institute of Land Resources and High Techniques, China University of Geosciences, Beijing 100083, China
2.
School of Earth Sciences and Resources/Institute of Land Resources and High Techniques, China University of Geosciences, Beijing 100083, China;No.7 Gold Geological Party, CAPF, Yantai 264000, China
3.
No.7 Gold Geological Party, CAPF, Yantai 264000, China

Received Date: 11 September 2013

Revised Date: 09 November 2013

Publish Date: 15 December 2013

Abstract

Abstract

The outcrop of diabase dikes in Halaqi of Xinjiang has provided important information for tectonic evolution of southwest Tianshan area. The diabase dikes in Halaqi area lack HFSE(Nb, Ta)and HREE(Yb, Y), and exhibit enrichment in LILE(Ba, Sr, K) and LREE(La, Ce). With the geochemical characteristics of depleted mantle, it can be understood as the mantle was transformed by subduction in plate subduction, indicating that during the Late Carboniferous-Early Permian, the region should have been in the island arc environment.
- Diabase dike /
- Late Carboniferous-Early Permian /
- Halaqi

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