40Ar/39Ar geochronology, geochemical and Sr-Nd-O isotopic characteristics of the high-Mg ultrapotassic rocks in Lhasa Block of Tibet: Implications in the onset time and depth of NS-striking rift system

Acta Geologica Sinica (English Edition)

Volumn 80, Issue 9, 2006, Pages 1252-1261

  Ding, Lin ^a   Yue, Yahui ^b   Cai, Fulong ^b   Xu, Xiaoxia ^a   Zhang, Qinghai ^a   Lai, Qingzhou ^a  

^a INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

^b BEIJING INSTITUTE OF GEOLOGY FOR MINERAL RESOURCES   (China)

Author keywords

High Mg ultrapotassic rocks; Incision depth; Lhasa block; NS striking rift; Onset age

Indexed keywords

ARGON-ARGON DATING; ISOTOPIC COMPOSITION; POTASSIC ROCK; RIFT ZONE; VOLCANIC ROCK;

ASIA; CHINA; EURASIA; FAR EAST; LHASA; XIZANG;

EID: 33845944822     PISSN: 10009515     EISSN: 17556724     Source Type: Journal    
DOI: None     Document Type: Article

References (42)

1. Chinese source. 2003, 22:16-30.
2. Chinese source. 2002, 21:735-738.
3. Chinese source. 2003, 10(3):135-148.
4. Chinese source. 1999, 44:2031-2036.
5. Armijo R, Tapponnier P, Mercier J L, Han T L.. 1986. Quaternary extension in southern Tibet, Field observations and tectonic implications: Journal of Geophysical Research, 91, 13803-13872.
6. Armijo R, Tapponnier P, Tonglin H. 1989. Late Cenozoic right-lateral strike-slip faulting in southern Tibet, Journal of Geophysical Research, 94: 2787-2838.
7. Blisniuk P M, Hacker B R, Glodny J, Ratschbacher L, Bi S, Wu Z, McWilliams M O, Calvert A. 2001. Normal faulting in central Tibet since at least 13. 5 Ma ago. Nature, 412: 628-632.
8. Boynton W V. 1984. Cosmochemistry of the rare earth elements: meteorite studies. In: Henderson P. (ed.) Rare Earth Element Geochemistry. Amsterdam: Elsevier: 63-114.
9. Carmala N G, Dettman D L, Quade J, DeCelle P G, Butler R F. 2000. High times on the Tibetan Plateau, Paleoelevation of the Thakkhola graben, Nepal. Geology, 28,339-342.
10. Chung S L, D Liu, J Ji, M F Chu, H Y Lee, D J Wen, C H Lo, T Y Lee, Q Qian, Q Zhang. 2003. Adakites from continental collision zones, Melting of thickened lower crust beneath southern Tibet. Geology, 31:1021-1024.
11. Chung S L, M F Chu, Y Zhang, Y Yie, C H Lo, T Y Lee, C Y Lan, X Li, Q Zhang, Y Wang. 2005. Tibetan tectonic evolution inferred from spatial and temporal variations in post-collisional magmatism, Earth-Science Reviews 68:173-196.
12. Cogan M J, K D Nelson, W S F Kidd, C Wu, project INDEPTH. 1998. Shallow structure of the Yadong-Gulu rift, southern Tibet, from refraction analysis of project INDEPTH common midpoint data. Tectonics, 17: 46-61.
13. Coleman M E, Hodges K V. 1995. Evidence for Tibetan plateau uplift before 14 a ago from a new minimum age for east-west extension: Nature, 374. 49-52.
14. 40 Ar dating, petrological characteristics and geodynamical significance. Earth and Planetary Science Letters, 79, 281-302.
15. Ding L, P Kapp, D Zhong, W Deng. 2003. Cenozoic volcanism in Tibet, evidence for a transition from oceanic to continental subduction. Journal of Petrology, 44: 1833-1865.
16. England P, G Houseman. 1989. Extension during continental convergence, with application to the Tibetan plateau. Journal of Geophysical Research, 94: 17,561-17,579.
17. Foley S F, G Venturelli, D H Green, L Toscani. 1987. The ultrapotassic rocks: characteristics classification, and constraints for petrogenetic models. Earth-Science Review, 24:81-134.
18. Harrison T M, Copeland P, Kidd W S F, Yin A. 1992. Raising Tibet: Science. 255: 1663-1670.
19. Hou Z Q, Y F Gao, X M Qu. Z Y Rui. X X Mo. 2004. Origin of adakitic intrusives generated during mid-Miocene east-west extension in southern Tibet. Earth and Planetary Science Letters, 220:139-155.
20. Irvine I. 1977. A guide to the chemical classification of common volcanic rocks. Can J. Earth Sci., 8: 532-548.
21. Kapp P, J H Guynn. 2004. Indian punch rifts Tibet. Geology, 32: 993-996.
22. Le Bas M J, R W Le Maitre, A Streckeisen, B Zanettin. 1986. A chemical classification of volcanic rocks based on the total alkali - silica diagram. Journal of Petrology, 27:745-750.
23. Liao S P, Z H Chen, X C Luo, A J Zhou. 2002. Discovery of leucite phonolite in the Tangra Yumco area, Tibet and its geological signicance. Geological Bulletin of China, 21: 735-738.
24. Mercier J L, R Armijo, P Tapponnier, E Carey-Gailhardis, T L Han. 1987. Change from Late Tertiary compression to Quaternary extension in southern Tibet during the India-Asia collision. Tectonics, 6: 275-304.
25. Miller C. Schuster R. Klotzli U, Frank W. Purtscheller F. 1999. Post-collision potassic and ultrapotassic magmatism in SW Tibet, geochemical and Sr-Nd-Pb-O isotopic constraints for mantle source characteristics and petrogenesis. Journal of Petrology, 40: 1399-1424.
26. Mo X, Zhao Z, Deng J, Dong G, Zhou S, Guo T, Zhang S, Wang L. 2003. Response of volcanism to the India-Asia collision. Earth Science Frontiers (China University of Geosciences, Beijing) 10: 135-148 (in Chinese with English abstract).
27. Molnar P. Tapponnier P. 1975. Cenozoic tectonics of Asia: effects of a continental collision. Science, 183: 419-426.
28. Molnar P, Tapponnier. 1978. Active tectonics of Tibet. Journal of Geophysical Research, 83, 5361-5375.
29. Molnar P, W P Chen. 1983. Focal depths and fault plane solutions of earthquakes under the Tibetan plateau. Journal of Geophysical Research, 88: 1180-1196.
30. Molnar P, P England, J Martinod. 1993. Mantle dynamics, uplift of the Tibetan Plateau, and the India monsoon. Reviews of Geophysics, 31: 357-396.
31. Nomade S, P R Renne, X Mo, Z Zhao, S Zhou. 2004. Miocene volcanism in the Lhasa block, Tibet: spatial trends and geodynamic implications. Earth and Planetary Science Letters 221: 227-243.
32. Rowley D B, B S Currie. 2006. Palaeo-altimetry of the late Eocene to Miocene Lunpola basin, central Tibet. Nature, 439:677-681.
33. Seeber L, Armbruster J G. 1984. Some elements of continental subduction along the Himalayan front. Tectonophysics, 105:263-278.
34. Sun S S, McDonough W F. 1989. Chemical and isotopic systematics of oceanic basalts. Implications for mantle composition and process. In: Saunders A. D. & Norry M. J. (eds.) Magmatism in the Ocean Basins. Geological Society, London, Special Publications 42: 313-345.
35. Tapponnier P, Z Xu, F Roger, B Meyer, N Arnaud, G Wittlinger, J Yang. 2001. Oblique stepwise rise and growth of the Tibet Plateau. Science, 294:1671-1677.
36. Turner S, C Hawkesworth, J Liu, N Rogers, S Kelley, P Calsteren. 1993. Timing of Tibetan uplift constrained by analysis of volcanic rocks. Nature, 364:50-54.
37. Turner S, N Arnaud, J Liu, N Rogers, C Hawkesworth, N Harris, S Kelley, P Van Calsteren, W Deng. 1996. Post-collision, shoshonitic volcanism on the Tibetan plateau: Implications for convective thinning of the lithosphere and the source of ocean island basalts. Journal of Petrology, 37: 45-71.
38. Valley J W, P D Kinny, D J Schulze, M J Spicuzza. 1998. Zircon megacrysts from kimberlite, oxygen isotope variability among mantle melts. Contrib Mineral Petrol, 133: 1-11.
39. Widdowson N B, A B Herman, S Guo, P J Valdes, J A Wolfe, S P Kelley. 2003. Constant elevation of southern Tibet over the past 15 million years. Nature. 421(6923): 622-624.
40. Williams H, Turner S, Kelley S, Harris N. 2001. Age and composition of dikes in southern Tibet: New constraints on the timing of east-west extension and its relationship to postcollisional volcanism. Geology, 29: 339-342.
41. Yin A, T M Harrison. 2000. Geologic Evolution of the Himalayan-Tibetan Orogen. Annual Reviews of Earth and Planetary Science 28:211-280.
42. Zhang J J, L Ding, D L Zhong, Y Zhou. 2000. Orogen-parallel extension in Himalaya: Is it the indicator of collapse or the product in process of compressiveuplift? Chinese Science Bulletin, 45: 114-120.