The provenance of Salawula Formation in East Kunlun and the tectonic thermal events of provenance: The evidence from U-Pb chronology of detrital zircons

JIN Lijie; WANG Jilin; ZHAO Tiqun; ZHOU Hanwen; SUN Tianhe; LI Chunjia; HAN Zhixin; JIA Weiwei

2020 Vol. 39, No. 7

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JIN Lijie, WANG Jilin, ZHAO Tiqun, ZHOU Hanwen, SUN Tianhe, LI Chunjia, HAN Zhixin, JIA Weiwei. The provenance of Salawula Formation in East Kunlun and the tectonic thermal events of provenance: The evidence from U-Pb chronology of detrital zircons[J]. Geological Bulletin of China, 2020, 39(7): 1025-1034.

Citation:

JIN Lijie, WANG Jilin, ZHAO Tiqun, ZHOU Hanwen, SUN Tianhe, LI Chunjia, HAN Zhixin, JIA Weiwei. The provenance of Salawula Formation in East Kunlun and the tectonic thermal events of provenance: The evidence from U-Pb chronology of detrital zircons[J]. Geological Bulletin of China, 2020, 39(7): 1025-1034.

The provenance of Salawula Formation in East Kunlun and the tectonic thermal events of provenance: The evidence from U-Pb chronology of detrital zircons

1.
No.1 Institute of Geology and Mineral Resource Exploration of Shandong Province, Ji'nan 250014, Shandong, China
2.
Shandong Engineering Laboratory for High-Grade Fe Ores Exploration and Exploitation, Ji'nan 250014, Shandong, China
3.
Shandong Bureau Testing Center of China Metallurgical Geology Bureau, Ji'nan 250014, Shandong, China
4.
China University of Geosciences, Wuhan 430074, Hubei, China
5.
Geological Exploration Institute of Shandong Zhengyuan, Ji'nan 250014, Shandong, China
6.
China Railway Siyuan Survey and Design Group Co., Ltd., Wuhan 430074, Hubei, China

Received Date: 18 March 2019

Revised Date: 15 July 2019

Publish Date: 15 July 2020

Abstract

Abstract

Salawula Formation is the earliest marine deposit of East Kunlun in early Paleozoic.It's meaningful to reconstruct the tectonic evolution of east Kunlun in Early Paleozoic by studying Salawula Formation's formation time and its provenance.The authors obtained the youngest zircon age of 632±6 Ma by LA-ICP-MS U-Pb dating of the detrital zircons from Salawula Formation's clastic rocks and constrained its formation time.Moreover, there are three age ranges of ~650 Ma, ~800 Ma and ~980 Ma existent in the detrital zircons, and the authors infer that Baishahe Group, Xiaomiao Group, Wanbaogou Group and magmatic rocks formed during early Neoproterpzoic were Salawula Formation's provenance because of their similar zircon age distributions.Furthermore, the authors hold that the source areas experienced Early Paleoproterozoic, Late Paleoproterozoic, Late Mesoproterpzoic and Early Neoproterpzoic tectono-magmatic events according to the characteristics of their zircons' U-Pb age.
- East Kunlun /
- Salawula Formation /
- U-Pb ages of detrital zircons /
- provenance /
- stratigraphic formation time /
- tectono-magmatic events

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References

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