Midcrustal reflector on INDEPTH wide-angle profiles: An ophiolitic slab beneath the India-Asia suture in southern Tibet?

Tectonics

Volumn 18, Issue 5, 1999, Pages 793-808

  Makovsky, Yizhaq ^a,c,f   Klemperer, Simon L ^a   Ratschbacher, Lothar ^a,d   Alsdorf, Douglas ^b,e  

^a STANFORD UNIVERSITY   (United States)

^b Department of Obstetrics Gynecology   (United States)

^c Paradigm Geophysical   (Israel)

^d UNIVERSITY OF WÜRZBURG   (Germany)

^e UNIVERSITY OF CALIFORNIA   (United States)

^f Paradigm Gav Yam Center No 3   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

COLLISION ZONE; CONTINENTAL COLLISION; OPHIOLITE; SEISMIC SURVEY; SUTURE ZONE;

CHINA; XINJIANG;

DEFORMATION; LITHOLOGY; REFLECTION; SEISMOLOGY; STRUCTURAL GEOLOGY;

CONTINENTAL COLLISIONS; GEOLOGICAL INTERPRETATION; MAFIC-ULTRAMAFIC ROCKS; OCEANIC LITHOSPHERE; SEDIMENTARY SEQUENCE; SEISMIC REFLECTION PROFILES; SOLID-SOLID INTERFACES; WIDE-ANGLE SEISMIC EXPERIMENTS;

TECTONICS;

EID: 0033403828     PISSN: 02787407     EISSN: None     Source Type: Journal    
DOI: 10.1029/1999TC900022     Document Type: Article

References (63)

1. Allègre, C.J., et al., Structure and evolution of the Himalaya-Tibet orogenic belt, Nature, 307, 17-22, 1984.
2. Alsdorf, D., L.D. Brown, and K.D. Nelson, Possible upper mantle reflection fabric on seismic profiles from the Tethyan Himalaya: Identification and tectonic interpretation, J. Geophys. Res., 101, 25,305-25,320, 1996.
3. Alsdorf, D., L.D. Brown, K.D. Nelson, Y. Makovsky, S.L. Klemperer, and W. Zhao, Crustal deformation of the Lhasa terrain, Tibet plateau from Project INDEPTH seismic reflection profiles, Tectonics, 17, 501-519, 1998a.
4. Alsdorf, D., et al., INDEPTH (International Deep Profiling of Tibet and the Himalaya) multichannel seismic reflection data: Description and availability, J. Geophys. Res., 103, 26,993-26,999, 1998b.
5. Argand, E., Tectonics of Asia, edited by A.V. Carozzi, translated from French by A.V. Carozzi, 218 pp., Hafner, New York, 1977.
6. Bally, A.W., C.R. Allen, R.B. Geyer, W.B. Hamilton, C.A. Hopson, P.H. Molnar, J.E. Oliver, N.D. Opdyke, G. Plafker, and F.T. Wu, Notes on the geology of Tibet and adjacent areas: Report of the American plate tectonics delegation to the People's Republic of China, U. S. Geol. Surv. Open File Rep., 80-0501, 1980.
7. Beck, R.A., W.D. Burbank, W.J. Sercombe, G.W. Riley, J.K. Barndt, J.R. Berry, J. Afzal, A.M. Khan, N.A. Shafique, and R.D. Lawrence, Stratigraphic evidence for an early collision between northwest India and Asia, Nature, 373, 55-58, 1995.
8. Beck, R., W.D. Burbank, W.J. Sercombe, A.M. Khan, and R.D. Lawrence, Late Cretaceous ophiolite obduction and Paleocene India-Asia collision in the westernmost Himalaya, Geodyn. Acta, 9, 114-144, 1996.
9. Brown, L.D., W. Zhao, K.D. Nelson, M. Hauck, D. Alsdorf, A. Ross, M. Cogan, M. Clark, X. Liu, and J. Che, Bright spots, structure, and magmatism in southern Tibet from INDEPTH seismic reflection profiling, Science, 274, 1688-1690, 1996.
10. Burg, J.P., Carte géologique du Sud de Tibet, map, Cent. Natl. de la Rech. Sci., Paris, 1983.
11. Burg, J.P., and G.M. Chen, Tectonics and structural zonation of southern Tibet, China, Nature, 311, 219-223, 1984.
12. Burg, J.P., F. Proust, P. Tapponnier, and G.M. Chen, Deformation phases and tectonic evolution of the Lhasa Block (southern Tibet, China), Eclogae Geol. Helv., 76, 643-665, 1983.
13. Burg, J.P., J. Marcoux, and G. Cheng, Wildflysch and exotic blocks along the Yarlung Zangbo suture zone: Age and geodynamic significance, Terra Cognita, 5, 125, 1985.
14. Burg, J.P., A. Leyreloup, J. Girardeau, and G.M. Chen, Structure and metamorphism of a tectonically thickened continental crust: The Yarlung Tsangpo suture zone (Tibet), in Tectonic Settings of Regional Metamorphism, Philos. Trans. R. Soc. London, Ser. A, 321, 67-86, 1987.
15. Chen, L., J. Booker, A.G. Jones, N. Wu, M. Unsworth, W. Wei, and H. Tan, Electrically conductive crust in southern Tibet from INDEPTH magnetotelluric surveying, Science, 274, 1694-1696, 1996.
16. Christensen, N.I., and W.D. Mooney, Seismic velocity structure and composition of the continental crust: A global view, J. Geophys. Res., 100, 9761-9788, 1995.
17. Edwards, M.A., W.S.F. Kidd, J. Li, Y. Yue, and M. Clark, Multi-stage development of the southern Tibet detachment system near Khula Kangri: New data from Gonto La, Tectonophysics, 260, 1-19, 1996.
18. Fuis, G.S., West margin of North America: A synthesis of recent seismic transects, in Deep Seismic Profiling of the Continents, II, A Global Survey, edited by S.L. Klemperer and W.D. Mooney, Tectonophysics, 288, 265-292, 1998.
19. Fuis, G.S., and R.M. Clowes, Comparison of deep structure along three transects of the western North American continental margin, Tectonics, 12, 1420-1435, 1993.
20. Gansser, A., Geology of the Himalayas, 289 pp., John Wiley, New York, 1964.
21. Gansser, A., The ophiolitic mélange, a world-wide problem: Tethyan examples, Eclogae Geol. Helv., 67, 479-507, 1974.
22. Girardeau, J., J. Marcoux, and Y. Zao, Lithologic and tectonic environment of the Xigaze ophiolite (Yarlung Zangbo suture zone, southern Tibet, China), and kinematics of its emplacement, Eclogae Geol. Helv., 77, 153-170, 1984.
23. Girardeau, J., J.C.C. Mercier, and Y. Zao, Structure of the Xigaze ophiolite, Yarlung Zangbo suture zone, southern Tibet, China: Genetic implications, Tectonics, 4, 267-288, 1985.
24. Gnos, E., A. Immenhauser, and T. Peters, Late Cretaceous/early Tertiary convergence between the Indian and Arabian plates recorded in ophiolites and related sediments, Tectonophysics, 271, 1-19, 1997.
25. Gnos, E., M. Khan, K. Mahmood, A.S. Khan, N.A. Shafique, and I.M. Villa, Bela oceanic lithosphere assemblage and its relation to the Réunion hotspot, Terra Nova, 10, 90-95, 1998.
26. Godfrey, N.J., and S.L. Klemperer, Ophiolite basement to a forearc basin and implications for continental growth: The Coast Range/Great Valley ophiolite, California, Tectonics, 17, 558-570, 1998.
27. Godfrey, N.J., B.C. Beaudoin, S.L. Klemperer, and Mendocino Working Group, Ophiolitic basement to the Great Valley forearc basin, California, from seismic and gravity data: Implications for crustal growth at the North America continental margin, Geol. Soc. Am. Bull., 109, 1536-1562, 1997.
28. Harrison, T.M., P. Copeland, W.S.F. Kidd, and O.M. Lovera, Activation of the Nyainqentanghla shear zone: Implications for uplift of the southern Tibetan Plateau, Tectonics, 14, 658-676, 1995.
29. Hauck, M.L., K.D. Nelson, L.D. Brown, W. Zhao, and A. Ross, Crustal structure of the Himalayan orogen at 90° east longitude from Project INDEPTH reflection profiles, Tectonics, 17, 481-500, 1998.
30. Hirn, A., M. Sapin, G. Jobert, X.-Z. Xu, E.-Y. Gao, D.-Y. Lu, and J.-W. Teng, Lhasa Block and bordering sutures: A continuation of a 500-km Moho traverse through Tibet, Nature, 307, 25-27, 1984.
31. Horen, H., M. Zamora, and G. Dubisson, Seismic velocities and anisotropy in serpentinized peridotites from Xigaze ophiolite: Abundance of serpentine in slow spreading ridge, Geophys. Res. Lett., 23, 9-12, 1996.
32. Kind, R., J. Ni, W. Zhao, J. Wu, X. Yuan, L. Zhao, E. Sandvol, C. Reese, J. Nabelek, and T. Hirn, Evidence from earthquake data for a partially molten crustal layer in southern Tibet, Science, 274, 1692-1694, 1996.
33. Klemperer, S.L., T.A. Hauge, E.C. Hauser, J.E. Oliver, and C.J. Potter, The Moho in the northern Basin and Range Province, Nevada, along the COCORP 40°N seismic-reflection transect, Geol. Soc. Am. Bull., 97, 603-618, 1986.
34. Luetgert, J.H., MacRay: Interactive two-dimensional seismic raytracing for the Macintosh, U. S. Geol. Surv. Open File Rep. 92-0356, 1992.
35. Makovsky, Y., and S.L. Klemperer, INDEPTH-2 wide-angle experiment, Tibet 1994: Data for IRIS-PASSCAL archives, data report, Inc. Res. Inst. For Seismol., Data Management Center, Seattle, Wash., 1996. (Available from http://www.iris.edu/)
36. Makovsky, Y., and S.L. Klemperer, Measuring the seismic properties of Tibetan bright-spots: free aqueous fluids in the Tibetan middle crust, J. Geophys. Res., 104, 10,795-10,825, 1999.
37. Makovsky, Y., S.L. Klemperer, and L. Ratschbacher, India-Asia suture observed on wide-angle seismic data of Project INDEPTH, EOS Trans. Am. Geophys. Un., Fall Meet. Suppl., 76 (46), F566, 1995.
38. Makovsky, Y., S.L. Klemperer, L. Ratschbacher, L.D. Brown, M. Li, W. Zhao, and F. Meng, INDEPTH wide-angle reflection observation of P-to-S wave conversion from crustal bright-spots in Tibet, Science, 274, 1690-1691, 1996a.
39. Makovsky, Y., S.L. Klemperer, L.-Y. Huang, D.-Y. Lu, and Project INDEPTH Team, Structural elements of the southern Tethyan Himalaya crust from wide-angle seismic data, Tectonics, 15, 997-1005, 1996b.
40. Mattauer, M., Intracontinental subduction, crustmantle decollement and crustal-stacking wedge in the Himalayas and other collision belts, in Collision Tectonics, edited by M.P. Coward and A.C. Ries, . Spec. Publ., Geol. Soc. London. 19, 37-50, 1986.
41. Mechie, J., et al., The Indus-Yarlung suture, southern Tibet: A crustal section based on wide-angle seismic measurements, Geowissenschaften, 14 (7-8), 317-319, 1996.
42. Molnar, P., P. England, and J. Martinod, Mantle dynamics, uplift of the Tibetan plateau, and the Indian monsoon, Rev. Geophys., 31, 357-396, 1993.
43. Nelson, K.D., et al., Partially molten middle crust beneath southern Tibet: Synthesis of project INDEPTH results, Science, 274, 1684-1688, 1996.
44. Nicolas, A., Structures of Ophiolites and Dynamics of Oceanic Lithosphere, 367 pp., Kluwer Acad. Norwell, Mass., 1989.
45. Nicolas, A., J. Girardeau, J. Maroux, B. Dupre, X. Wang, H. Zheng, Y. Zhao, and X. Xiao, The Xigaze ophiolite: A peculiar oceanic lithosphere, Nature, 294, 414-417, 1981.
46. Ostrander, W.J., Plane-wave reflection coefficients for gas sands at nonnormal angles of incidence, Geophysics, 49, 1637-1648, 1984.
47. Owens, T.J., and G. Zandt, Implications of crustal property variations for models of Tibetan plateau evolution, Nature, 387, 37-43, 1997.
48. Pozzi, J.P., M. Westphal, J. Girardeau, J. Besse, and Y.X. Zhou, Paleomagnetism of the Xigaze ophiolite and flysch: Latitude and direction of spreading, Earth Planet. Sci. Lett., 70, 383-394, 1984.
49. Quidelleur, X., M. Grove, O.M. Lovera, T.M. Harrison, A. Yin, and F.J. Ryerson, Thermal evolution and slip history of the Renbu Zedong Thrust, southeastern Tibet, J. Geophys. Res., 102, 2659-2679, 1997.
50. Ratschbacher, L., W. Frisch, C. Chen, and G. Pan, Deformation and motion along the southern margin of the Lhasa Block (Tibet) prior to and during the India-Asia collision, J. Geodyn. 16, 21-54, 1992.
51. Ratschbacher, L., W. Frisch, G. Liu, and C. Chen, Distributed deformation in southern and western Tibet during and after India-Asia collision, J. Geophys. Res., 99, 19,917-19,945, 1994.
52. Rodgers, A.J., and S.Y. Schwartz, Low crustal velocities and mantle lithospheric variations in southern Tibet from regional Pn1 waveforms, Geophys. Res. Lett.. 24, 9-12, 1997.
53. Ross A.R., L.D. Brown, D.A. Alsdorf, and K.D. Nelson, Seismic bright spots and magmatism in southern Tibet, J. Geophys. Res., 1999.
54. Sapin, M., and A. Hirn, Seismic structure and evidence for eclogitization during Himalayan convergence, in Collisional Orogens: Zones of Active Transfer Between Crust and Mantle. edited by J.L.R. Touret, Tectonophysics, 273, 1-16, 1997.
55. Searle, M.P., R.L. Corfield, B. Stephenson, and J. McCarron, Structure of the North Indian continental margin in the Ladakh-Zanskar Himalayas: Implications for the timing of obduction of the Spontang ophiolite, India-Asia collision and deformation events in the Himalaya, Geol. Mag., 134, 297-316, 1997.
56. Shackleton, R.M., Structure of southern Tibet: Report on a traverse from Lhasa to Khatmandu organized by Academia Sinica, J. Struct. Geol., 3, 97-105, 1981.
57. Sheriff, R.E., Encyclopedic Dictionary of Exploration Geophysics, 3rd ed., pp. 376, Soc. of Explor. Geophys., Tulsa, Okla., 1991.
58. Tapponnier, P., G. Peltzer, and R. Armijo, On the mechanics of the collision between India and Asia, in Collision Tectonics edited by M.P. Coward and A.C. Ries, Spec. Publ., Geol. Soc. London, 19, 115-157, 1986.
59. Wu, C.D., K.D. Nelson, G. Wortman, S.D. Samson, Y.-J. Yue, J.-X. Li, W.S.F. Kidd, and M.A. Edwards, Yadong cross structure and South Tibetan Detachment in the east central Himalaya (89°-90°E), Tectonics, 17, 28-45, 1998.
60. Yin, A., T.M. Harrison, F.J. Ryerson, W. Chen, W.S.F. Kidd, and P. Copeland, Tertiary structural evolution of the Gangdese thrust system, southeastern Tibet, J. Geophys. Res., 99, 18,175-18,201, 1994.
61. Zhang, S.Q., X.X. Mo, C.H. Zhao, T.Y. Guo, and J. Wan, Petrology and geochemistry variations of Mesozoic and Cenozoic volcanism of the Tibetan plateau and its dynamical inferences for lithosphenc evolution of the plateau, in Global Tectonic Zones: Supercontinent Formation and Dispersal, edited by X.C. Xiao and H.F. Liu, Proc. Int. Geol. Congr. 30th. 6, 155-168, 1997.
62. Zhao, W., K.D. Nelson, and Project INDEPTH Team, Deep seismic reflection evidence for continental underthrusting beneath southern Tibet, Nature, 366, 557-559, 1993.
63. Zhao, W., et al., Seismic mapping of crustal structures beneath the Indus-Yarlung Suture, Tibet, Terra Nova, 9, 42-46, 1997.