Pb and Nd isotopic compositions of basement and granitoid in the Qilianshan: Constraints on tectonic affinity

Diqiu Kexue - Zhongguo Dizhi Daxue Xuebao/Earth Science - Journal of China University of Geosciences

Volumn 31, Issue 1, 2006, Pages 57-65

  Zhang, Hong Fei ^a   Jin, Lan Lan ^a   Zhang, Li ^a   Yuan, Hong Lin ^b   Zhou, Lian ^a   Zhang, Ben Ren ^a  

^a CHINA UNIVERSITY OF GEOSCIENCES   (China)

^b NORTHWEST UNIVERSITY   (China)

Author keywords

Basement; Granitoid; Pb Nd isotope; Qilianshan; Tectonic affinity

Indexed keywords

COMPOSITION; CONSTRAINT THEORY; GROWTH (MATERIALS); LEAD; MATHEMATICAL MODELS; NEODYMIUM; ROCKS; TECTONICS;

BASEMENT; CRUSTAL GROWTH; GRANITOID; QILIANSHAN; TECTONIC AFFINITY;

ISOTOPES;

EID: 33645449945     PISSN: 10002383     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (23)

1. Arndt, N.T., Goldstein, S.L., 1987. Use and abuse of crust-formation ages. Geology, 15: 893-895.
2. Bureau of Geology and Mineral Resources of Gansu Province, 1989. Regional geology of Gansu Province. Geological Publishing House, Beijing, 752 (in Chinese with English abstract).
3. Chen, J.F., Jahn, B.M., 1998. Crustal evolution of southeastern China: Nd and Sr isotopic evidence. Tectonophysics, 284: 101-133.
4. Gehrels, G.E., Yin, A., Wang, X.F., 2003. Detrital-zircon geochronology of the northeastern Tibetan plateau. GSA Bulletin, 115: 881-896.
5. Hacker, B.R., Ratschbacher, L., Webb, L.E., et al., 1998. U/Pb zircon ages constrain the architecture of the ultrahigh-pressure Qinling-Dabie orogen, China. Earth Planetary Science Letters, 161: 215-230.
6. Hou, Q.Y., Zhang, H.F., Zhang, B.R., et al., 2005. Characteristics and tectonic affinity of Lajishan paleo-mantle in Qilian orogenic belt: A geochemical study of basalts. Earth Science - Journal of China University of Geosciences, 30(1): 61-70 (in Chinese with English abstract).
7. Hou, Q.Y., Zhao, Z.D., Zhang, H.F., et al., 2005. Indian Ocean-type isotopic characteristics of Yushigou ophiolite in north Qilian orogenic belt and its geological significance. Science in China (Series D), 35: 710-719.
8. Milisenda, C.C., Liew, T.C., Hofmann, A.W., et al., 1994. Nd isotopic mapping of the Sri Lanka basement: Update and additional constraints from Sr isotopes. Precambrian Research, 66: 95-110.
9. Sun, W.D., Williams, I.S., Li, S.G., 2002. Carboniferous and Triassic eclogites in the western Dabie Mountains, east-central China: Evidence for protracted convergence of the North and South China blocks. Journal of Metamorphic Geology, 20: 873-886.
10. Taylor, S.R., McLennan, S.M., 1985. The continental crust: Its composition and evolution. Blackwell Scientific Publication, Oxford, 312.
11. Wan, Y.S., Xu, Z.Q., Yang, J.S., et al., 2001. Ages and compositions of the Precambrian high-grade basement of Qilian terrane and its adjacent areas. Acta Geologica Sinica, 75: 375-384.
12. Xia, L.Q., Xia, Z.C., Ren, Y.X., et al., 2001. Tectonics, volcanic magma and metallogensis dynamics in Qilian shan. China University of Geosciences Press, Wuhan, 296 (in Chinese).
13. Yue, Y., Graham, S.A., Ritts, B.D., et al., 2005. Detrital zircon provenance evidence for large-scale extrusion along the Altyn Tagh fault. Tectonophysics, 406: 165-178.
14. Zhang, B.R., Gao, S., Zhang, H.F., et al., 2002. Geochemistry of Qinling orogenic belt. Science Press, Beijing, 187 (in Chinese).
15. Zhang, G.W., Guo, A.L., Yao, A.P., 2004. Western Qinling-Songpan continental tectonic node in China's continental tectonics. Earth Science Frontiers, 11: 23-32 (in Chinese with English abstract).
16. Zhang, H.F., Gao, S., Zhong, Z.Q., et al., 2002. Geochemical and Sr-Nd-Pb isotopic compositions of Cretaceous granitoids: Constraints on tectonic framework and crustal structure of the Dabieshan ultrahigh-pressure metamorphic belt, China. Chemical Geology, 186: 281-299.
17. Zhang, H.F., Harris, N., Parrish, R., et al., 2004a. Cause and consequences of protracted melting of the mid-crust exposed in the North Himalayan antiform. Earth and Planetary Science Letters, 228: 195-212.
18. Zhang, H.F., Zhong, Z.Q., Gao, S., et al., 2004b. Pb and Nd isotopic composition of the Jigongshan granite: Constraints on crustal structure of Tongbaishan in the middle part of the Qinling-Tongbai-Dabie orogenic belt, Central China. Lithos, 73: 215-227.
19. Zhang, H.F., Zhang, B.R., Harris, N., et al., 2005a. U-Pb zircon SHRIMP ages, geochemical and Sr-Nd-Pb isotopic compositions of intrusive rocks from the Longshan-Tianshui area in the southeast corner of the Qilian orogenic belt, China: Constraints on petrogenesis and tectonic affinity. Journal of Asia Earth Science (in press).
20. Zhang, H.F., Jin, L.L., Zhang, L., 2005b. Geochemical and Pb-Sr-Nd isotopic compositions of granitoids from western Qinling belt: Constrains on basement nature and tectonic affinity. Science in China (Series D), 35: 914-926 (in Chinese).
21. Zhang, L.G., 1995. Block-geology of eastern Asia lithosphere. Science Press, Beijing, 252 (in Chinese).
22. Zhu, B.Q., 1994. Geochemical evidence for the southern China block being a part of Gondwana. Journal of Southeast Asia Earth Science, 9: 319-329.
23. Zhu, B.Q., 1998. Study on chemical heterogeneities of mantle-crustal systems and geochemical boundaries of blocks. Earth Science Frontiers, 5: 72-82 (in Chinese with English abstract).