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The Jinshajiang suture zone: tectono-stratigraphic subdivision and revision of age

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Abstract

Integrated study of rock assemblage, tectonic setting, geochemical feature, fossil contained and isotopic geochronology on the metamorphic mixed bodies, exposed in the Jinshajiang suture zone, suggests that one informal lithostratigraphic unit, the Eaqing Complex, and three tectono-stratigraphic units, the Jinshajiang ophiolitic melange, the Gajinxueshan Group and the Zhongxinrong Group, can be recognized there. It is first pointed out that the redefined Eaqing Complex might represent the Meso- to Neo-Proterozoic remnant metamorphic basement or mi-crocontinental fragment in the Jinshajiang area. The original rocks of it should be older than (1627 ±192) Ma based on the geochronological study. The zircon U-Pb age of plagiogranites within the Jinshajiang ophiolitic assemblage is dated for the first time at (294 ± 3) Ma and (340 ± 3) Ma respectively. The Jinshajiang ophiolite is approximately equivalent to the Ailaoshan ophiolite in the formation age, covering the interval from the Late Devonian to the Carboniferous. Dating of U-Pb age from basalt interbeds indicates that the redefined Gajinxueshan Group and Zhongxinrong Group may be considered Carboniferous to Permian and latest Permian to Middle Triassic in age. In geotectonic terms the Jinshajiang suture zone is thought to be a back-arc basin in the eastern margin of the Paleo-Tethys. This back-arc basin started in the Late Devonian, and formed in the Devonian-Carboniferous. The collision event around the Permian/Triassic boundary to the Middle Triassic led to the closure of the back-arc basin and formation of suture.

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References

  1. Metcalfe, I., Pre-Cretaceous evolution of SE Asian terranes, Tectonic Evolution of Southeast Asia, Geological Society Publication, 1996, 106: 97.

    Article  Google Scholar 

  2. Mo Xuanxue, Shen Shangyue, Zhu Qinwen et al., Volcanics-Ophiolite and Mineralization of Middle-Southern Part in San- jiang Area of Southwestern China (in Chinese with English abstract), Beijing: Geological Publishing House, 1998, 1–128.

    Google Scholar 

  3. Mo Xuanxue, Liu Fengxiang, Shen Shangyue et al., Sanjiang, Tethys Volcanism and Mineralization (in Chinese), Beijing: Geological Publishing House, 1993, 1–267.

    Google Scholar 

  4. Pan Guitang, Chen Zhiliang, Li Xingzhen et al., Geological-Tectonic Evolution in the Eastern Tethys (in Chinese with English abstract), Beijing: Geological Publishing House, 1997, 1–218.

    Google Scholar 

  5. Hsu, K. J., Pan Guitang, Sengor, A. M. et al., Tectonic evolution of the Tibetan Plateau: a working hypothesis based on the archipelago model of orogenesis, International Geological Review, 1995, 37: 473.

    Article  Google Scholar 

  6. Li Xinzhen, Liu Zhenqian, Pan Guitang et al., The dividing and evolution of tectonic unit of Sanjiang, Southwest China, Bulletin of Chendu Institute of Geology and Mineral Resources, Chinese Academy of Geological Sciences (in Chinese with English abstract), 1991, 13: 1.

    Google Scholar 

  7. Sun Xiaomeng, Zhang Baomin, Nie Zetong et al., Formation age and environment of ophiolite and ophiolitic melange in the Jinshajiang belt, northwestern Yunnan, Geological Review (in Chinese with English abstract), 1997, 43(12): 113.

    Google Scholar 

  8. Liu Benpei, Feng Qinglai, Fang Nianqiao et al., Tectonic evolution of Palaeo-Tethys poly-island ocean in Changning-Menglian and Lancangjiang belts, southwestern Yunnan, China, Earth Science (in Chinese with English abstract), 1993, 18(5): 529.

    Google Scholar 

  9. Chen Bingwei, Xie Guanglian, Evolution of the Tethys in Yunnan and Tibet, Journal of Southeast Asia Earth Sciences, 1994, 9: 349.

    Article  Google Scholar 

  10. Chengdu Institute of Geology and Mineral Resources, CAGS & Sichuan Bureau of Geology and Mineral fnResources, Stratigraphy in the Nujiang-Lancangjiang-Jinshajiang Region (in Chinese), Beijing: Geological Publishing House, 1992, 469.

    Google Scholar 

  11. Yunnan Bureau of Geology & Mineral Resources, Regional Geology of Yunnan Province, Geological Memoirs, MGMR, S.1, N.21 (in Chinese with English summary), Beijing: Geological Publishing House, 1990, 554.

    Google Scholar 

  12. Sichuan Bureau of Geology & Mineral Resources, Multiple Classification and Correlation of the Stratigraphy of China (51): Stratigraphy (Lithostratic) of Yunnan Province (in Chinese), Wuhan: China University of Geosciences Press, 1997, 416.

    Google Scholar 

  13. Cong Bailin, We Genyao, Zhang Qi et al., Geotectonic evolution of rocks from the Paleo-Tethys belt, western Yunnan, China, Science in China (in Chinese), Ser. B, 1993, 23(11): 1201.

    Google Scholar 

  14. Luo Jianning, Formation and evolution of eastern Tethys, Tethys Geology, 1995, 19: 1.

    Google Scholar 

  15. Feng Qinglai, Principles and methods for the regional stratigraphic studies of orogenic belts, Geological Science and Technology Information (in Chinese), 1993, 12(3): 51.

    Google Scholar 

  16. Zhang Qi, Zhou Dejin, Zhao Dasheng et al., Wilson cysle of the Paleo-Tethyan orogenic belt in western Yunnan: record of magmatism and discussion on mantle processes, Acta Petrological Sinica (in Chinese with English abstract), 1996, 12(1): 17.

    Google Scholar 

  17. Zhang Zimeng, Jin Mong, Two kinds of melange and their tectonic significance in Xiangcheng-Derong area, southwestern Sichuan, Scientia Geologica Sinica (in Chinese with English abstract), 1979, 3: 205.

    Google Scholar 

  18. Sichuan Bureau of Geology & Mineral Resources, Regional Geology of Sichuan Province, Geological Memoirs, MGMR, S.1, N. 23 (in Chinese with English summary), Beijing: Geological Publishing House, 1991, 620.

    Google Scholar 

  19. Coleman, R. G., Peterman, Z. E., Oceanic plagiogranite, Journal of Geophysical Research, 1975, 30(8): 1099.

    Article  Google Scholar 

  20. Jiang Ping, Wang Xiaofeng, He Longqing et al., U-Pb Zircon dating of the Shuanggou ophiolite from Xingping County, Yunnan Province, Acta Petrologica Sinica (in Chinese with English abstract), 1998, 14(2): 207.

    Google Scholar 

  21. Wu Haoruo, Discovery of Early Carboniferous deep-sea sediments from Jinsha Belt, NW Yunnan, Scientia Geological Sinica, 1993, 28(4): 395.

    Google Scholar 

  22. Sun Xiaomeng, Nie Zetong, Liang Dingyi, Determination of sedimentary environments and tectonic significance of sili- conlites in Jinsha River, Geological Review (in Chinese with English abstract), 1995, 43(2): 113.

    Google Scholar 

  23. Feng Qinglai, Ye Mei, Zhang Zhengnian, Early Carboniferous radiolarians from western Yunnan, Acta Micropaplaeon- tologica Sinica (in Chinese with English abstract), 1997, 14(1): 79.

    Google Scholar 

  24. Zhan Mingguo, Lu Yuanfa, Chen Shifang et al., Yangla Copper Deposits in Deqing, Western Yunnan, China (in Chinese), Wuhan: China University of Geosciences Press, 1999.

    Google Scholar 

  25. Pearce, J. A., Lippard, S. J., Roberts, S., Characteristics and tectonic significance of supra-subduction zone ophiolites, in Marginal Basin Geology, London Geological Society, London: Blackwell Science Publication, 1984, 77–94.

    Google Scholar 

  26. Liu Benpei, Feng Qinglai, Fang Nianqiao et al., Tectono-Paleogeographic framework and evolution of the Paleotethyan archipelagoes ocean in Changning-Menglian belt, western Yunnan, China, in Deveonian to Triassic Tethys in Western Yunnan ((eds. Fang, N. Q., Feng, Q. L.), Beijing: China University of Geology Press, 1996, 1–12.

    Google Scholar 

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Authors and Affiliations

  1. Yichang Institute of Geology and Mineral Resources, Chinese Academy of Geological Sciences, 443003, Yichang, China

    Xiaofeng Wang, Ping Jian, Longqing He & Chuanshang Wang

  2. Asia Centre, University of New England, Australia

    Ian Metcalfe

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  1. Xiaofeng Wang
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  2. Ian Metcalfe
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  3. Ping Jian
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  4. Longqing He
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  5. Chuanshang Wang
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Wang, X., Metcalfe, I., Jian, P. et al. The Jinshajiang suture zone: tectono-stratigraphic subdivision and revision of age. Sci. China Ser. D-Earth Sci. 43, 10–22 (2000). https://doi.org/10.1007/BF02877827

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  • DOI: https://doi.org/10.1007/BF02877827

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