SHRIMP U-Pb dating and Hf isotopic analyses of zircons from the mafic dyke swarms in central Qiangtang area, Northern Tibet

Chinese Science Bulletin

Volumn 54, Issue 13, 2009, Pages 2279-2285

  Zhai, QingGuo ^a   Li, Cai ^b   Wang, Jun ^a   Ji, ZhanSheng ^a   Wang, Yong ^a  

^a INSTITUTE OF GEOLOGY   (China)

^b JILIN UNIVERSITY   (China)

Author keywords

Hf isotope; Mafic dyke swarm; Northern Tibet; Qiangtang; SHRIMP dating

Indexed keywords

EID: 70349331268     PISSN: 10016538     EISSN: 18619541     Source Type: Journal    
DOI: 10.1007/s11434-009-0203-6     Document Type: Article

References (28)

1. Halls H C, Fahrig W F. Mafic dyke swarms (IDC-1). Geol Assoc Canada Spec Papers, 1987, 34
2. Windley B F. The Evolving Continents. New York: John Wiley & Sons, 1977. 68-218
3. Li J H, He W Y, Qian X L. Genetic mechanism and tectonic setting of Proterozoic mafic dyke swarm: its implication for paleo-plate reconstruction (in Chinese). Geol J Univ, 1997, 3(3): 272-281
4. Bureau of Geology and Mineral Resources of Xizang (Tibet) Autonomous Region. Regional Geology of Xizang (Tibet) Autonomous Region (in Chinese). Beijing: Geological Publishing House, 1993
5. Li C, He Z H, Li H M. U-Pb and Sm-Nd dating of mafic dyke swarms in southern Qiangtang, Qinghai-Tibet Plateau and its tectonic significance (in Chinese). Geol Chin, 2004, 31(4): 384-389
6. Li C. The Longmucuo-Shuanghu-Lancangjiang plate suture and the north boundary of distribution of Gondwana facies Permo-Carboniferous system in northern Xizang, China (in Chinese). J Jilin Univ (Earth Science Edition), 1987, 17(2): 155-166
7. Li C, Cheng L R, Hu K, et al. Study on the Peleo-Tethys Suture Zone of Lungmu Co-Shuanghu, Tibet (in Chinese). Beijing: Geological Publishing House, 1995
8. Deng X G, Ding L, Liu X H, et al. Discovery of blueschists in Gangmar-Taoxing Co area, central Qiangtang, northern Tibet (in Chinese). Sci Geol Sin, 2000, 35(2): 227-232
9. Li C, Zhai Q G, Dong Y S, et al. Discovery of eclogite and its geological significance in Qiangtang area, central Tibet. Chin Sci Bull, 2006, 51(9): 1095-1100
10. Zhai Q G, Li C, Cheng L R, et al. Geological features of Permian ophiolite in the Jiaomuri area, Qiangtang, Tibet, and its tectonic significance (in Chinese). Geol Bull Chin, 2004, 23(12): 1228-1230
11. Zhai Q G, Li C, Huang X P. Geochemistry of Permian basalt and its tectonic significance in Jiaomuri area, central Qiangtang, Tibet (in Chinese). Geol Bull Chin, 2006, 25(12): 1419-1427
12. Zhai Q G, Li C, Huang X P. The fragment of Paleo-Tethys ophiolite from central Qiangtang, Tibet: geochemical evidence of metabasites in Guoganjiannian. Sci China Ser D-Earth Sci, 2007, 50(9): 1302-1309
13. Wang G Z, Wang C S. Disintegration and age of basement metamorphic rocks in Qiangtang, Tibet, China. Sci China Ser D-Earth Sci, 2001, 44(Suppl): 86-93
14. Li C. Qusetion about the basement of the Qiangtang Micro-plate (in Chinese). Geol Rev, 2003, 49(1): 5-9
15. Claoue-Long J C, Compston J, Roberts C M, et al. Two Carboniferous ages: a comparison of SHRIMP zircon dating with conventional zircon ages and 40Ar/39Ar analysis. In: Geochronology Time Scales and Global Stratigraphic Correlation 54. SEPM Spec Publ, 1995, 3-21
16. Williams I S, Claesson S. Isotope evidence for the Precambrian province and Caledonian metamorphism of high grade paragneiss from the Seve Nappes, Scandinavian Caledonides, II. Ion microprobe zircon U-Th-Pb. Contib Mineral Petrol, 1987, 97: 205-217
17. Ludwig K R. Squid1.02: A user manual. Berkeley Geochron Center Spec Publ, 2001. 219
18. Ludwig K R. Using Isoplot/EX, version 2, A geochronological Toolkit for Microsoft Excel. Berkeley Geochron Center Spec Publ 1a, 1999. 47
19. Steiger R H, Jager E. Subcommission on geochronology: Convetion or the use of decay constants in geo- and cosmo- chronology. Earth Planet Sci Lett, 1997, 36: 359-362
20. Compston W, Williams I S, Mayer C. U-Pb geochronology of zircons from Lunar Breccia 73217 using a Sensitive High Resolution Ion Microprobe. Proc. XIV Lunar Planetary Science Conference. J Geophys Res, 1984, 89(Supp): 525-534
21. Wu F Y, Yang J H, Xie L W, et al. Hf isotopic compositions of the standard zircons and baddeleyites used in U-Pb geochronology. Chem Geol, 2006, 234: 105-126
22. Woodhead J, Hergt J, Shelley M, et al. Zircon Hf-isotope analysis with an excimer laser, depth profiling, ablation of complex geonmetries and concomitant age estimation. Chem Geol, 2004, 209: 121-135
23. Hoskin P W O, Black L P. Metamorphic zircon formation by solid-state recrystallization of protolith igneous zircon. J Metamorph Geol, 2000, 18: 423-439
24. Sun S S, McDonough W F. Chemical and isotopic systematics of oceanic basalt: Implications for mantle composition and processes. In: Saunders A D, Norry M J, eds. Magmatism in the Ocean Basins. Geol Soc Spec Pub, 1989, 42: 528-548
25. Li C, Dong Y S, Zhai Q G, et al. High-pressure metamorphic belt in Qiangtang, Qinghai-Tibet plateau and its tectonic significance (in Chinese). Geol Bull Chin, 2008, 27(1): 27-35
26. Deng W M, Yin J X, Guo Z P. Basic-Ultrabasic and volcanic rocks in Chabu-Shuanghu area of northern Xizang (Tibet), China. Sci China Ser D-Earth Sci, 1996, 39(4): 359-368
27. Li Y J, Wu H R, Li H S, et al. Discovery of radiolarians in the Amugang and Chasang groups and Lugu Formation in Northern Tibet and some related geological problems (in Chinese). Geol Rev, 1997, 43(3): 250-256
28. Mo X X, Pan G T. From the Tethys to the formation of the Qinghai-Tibet Plateau: Constrained by tectono-magmatic events (in Chinese). Earth Sci Front, 2006, 13(6): 43-51