Timing and geochemical characters of the Sanchazi magmatic arc in Mianlüe tectonic zone, South Qinling

Science in China, Series D: Earth Sciences

Volumn 47, Issue 4, 2004, Pages 317-328

  Li, Shuguang ^a   Hou, Zhenhui ^a   Yang, Yongcheng ^b   Sun, Weidong ^a   Zhang, Guowei ^c   Li, Qiuli ^a  

^a UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA   (China)

^b Shaanxi Institute of Geological Survey   (China)

^c NORTHWEST UNIVERSITY   (China)

Author keywords

Magmatic arc; Ophiolite complex; Qinling orogen; U Pb zircon age

Indexed keywords

BASALT; LANDFORMS; OCEANOGRAPHY; STRUCTURAL GEOLOGY; TECTONICS; VOLCANOES;

ADAKITIC ROCKS; PALEO-OCEANIC CRUSTS;

GEOCHEMISTRY;

CARBONIFEROUS; GEOCHEMISTRY; GEOCHRONOLOGY; MAFIC ROCK; OPHIOLITE; TECTONIC SETTING; ULTRAMAFIC ROCK;

ASIA; CHINA; EURASIA; FAR EAST; QINLING MOUNTAINS;

EID: 4143080199     PISSN: 10069313     EISSN: None     Source Type: Journal    
DOI: 10.1360/02YD0490     Document Type: Article

References (17)

1. Sun, S., Li, J., Lin, J. et al., Indosinides in China and the consumption of eastern Paleotethys, in controversies in modern geology: Evolution of geological theories, in Sedimentology, Earth History and Tectonics (eds. Muller, D. W., Mckenzie, J. A., Weissert, H.), London: Academic Press, 1981, 363-384.
2. Zhang, G. W., Meng, Q. R., Lai, S. C., Tectonics and structure of the Qinling orogenic belt, Science in China, Ser. B, 1995, 38: 1379-1394.
3. Xu, J. F., Zhang, B. R., Han, Y. W. et al., Recognition of ophiolite belt and granulite in Northern Area of MianLue, Southern Qinling, China and their implication, Journal of China Univ. of Sci., 1994, 5(1): 25-27.
4. Li, S. G., Sun, W. D., Zhang, G. W. et al., Chronology and geochemistry of metavolcanic rocks from Heigouxia valley in the Mianlue tectonic zone, South Qinling: Evidence for a paleozoic oceanic basin and its close time, Science in China, Ser. D, 1996, 39:300-310.
5. Xu, J. F., Yu, X. Y., Li, X. H. et al., Discovery of the highly depleted N-MORB-type volcanic rocks: New evidence for the Mianlue paleo-ocean, Chinese Science Bulletin, 1998, 43 (6): 510-514.
6. Lai, S. C., Zhang, G. W., Yang, Y. C. et al., Petrology and geochemistry features of the metamorphic volcanic rocks in Mianxian-Lüeyang suture zone, South Qinling, Acta Petrol. Sinica (in Chinese), 1997, 13(4 : 564-573.
7. .Feng, Q. L., Du, Y. S., Yin, H. F. et al., Carboniferous radiolaria fauna firstly discovered in Mian-lue ophiolitic mélange belt of South Qinling mountains, Science in China (in Chinese), Ser. D, 1996, 26(supp.): 78-82.
8. Zhang, G. W., Zhang, B. R., Yuang, X. C. et al., Qinling Orogenic Belt and Continental Dynamics (in Chinese), Beijing: Science Press, 2001, 467-485.
9. Sun, W. D., Li, S. G., Chen, Y. D. et al., Timing of synorogenic granitoids in the South Qinling, Central China: Constraints of on the evolution of the Qinling-Dabie orogenic belt, Journal of Geology, 2002, 110: 457-468.
10. Lu, S. N., Li, H. M., A precise U-Pb dating of a single zircon from volcanic rocks in Dahongyu formation, Changcheng group in Jixian area, Bull. of Chinese Acad. Geol. Sci. (in Chinese), 1991, 22: 137-146.
11. Ewart, A., The mineralogy and petrology of Tertiary-Recent orogenic volcanic rocks: With special reference to the andesite- basaltic compositional range, in Andesites (ed. Thorpe, R. S.), New York: John Wiley and Sons, 1982, 25-95.
12. Sun, S. S., McDonough, W. F., Chemical and isotopic systematics of oceanic basalts: Implications for mantle composition and processes, in Magmatism in the Ocean Basins (eds. Saunders, A. D., Norry, M. J.), Geological Society Special Pub., 1989, 42: 313-345.
13. Defant, M. J., Xu, J. F., Kepezhinskes, P. et al., Adakites, some variations on a theme, Acta Petrol. Sinica (in Chinese), 2002, 18(2): 127-142.
14. Xu, J. F., Wu, Q., Yu, X. Y., Geochemistry of high-Mg andesites and adakitic andesite from the Sanchazi Block of the Mianlue ophiolitic mélange in the Qinling Mountains, Central China: Envidence of partial melting of the subducted Paleo-tethyan crust, Geochemical Journal, 2002, 34: 359-377.
15. Defant, M. J., Drummound, M. S., Derivation of some modern arc magmas by melting of young subducted lithosphere, Nature, 1990, 347: 662-665.
16. Sun, W. D., Williams, I. S., Li, S. G., Carboniferous and Triassic eclogites in the western Dabie Mountains, east Central China: Evidence for proctracted convergence of the North and South China Blocks. J. Metamorphic. Geol., 2002, 20: 873-886.
17. Zhang, Z., Q., Zhang, G. W., Fu, G. M. et al., Geochronology of metamorphic strata in the Qinling Mountains and its tectonic implications, Science in China, Ser. D., 1996, 39 (3): 283-292.