Topography of the Moho and earth crust structure beneath the East Vietnam Sea from 3D inversion of gravity field data

Czasopismo : Acta Geophysica
Tytuł artykułu : Topography of the Moho and earth crust structure beneath the East Vietnam Sea from 3D inversion of gravity field data

Autorzy :
Vitkulin, A. V.
Institute of Volcanology and Seismology, Far East Branch, Russian Academy of Sciences, Petropavlovsk-Kamchatski, Russia,,
Semenov, V. Y.
Institute of Geophysics, Polish Academy of Sciences, Warszawa, Poland,,
Majewski, E.
Institute of Geophysics, Polish Academy of Sciences, Warszawa, Poland,,
Nenovski, P.
National Institute for Geophysics, Geodesy and Geography, Sofia, Bulgaria,,
Sayil, N.
Karadeniz Technical University, Engineering Faculty, Department of Geophysics, Trabzon, Turkey,,
Nguyen, N. T.
Institute of Marine Geology and Geophysics, Vietnam Academy of Science and Technology, Hanoi, Vietnam,,
Abstrakty : The Moho depth, crustal thickness and fault systems of the East Vietnam Sea (EVS) are determined by 3D interpretation of satellite grav- ity. The Moho depth is calculated by 3D Parker inversion from residual gravity anomaly that is obtained by removing the gravity effects of sea- floor and Pre-Cenozoic sediment basement topographies from the free air anomaly. The 3D inversion solution is constrained by power density spectrum of gravity an omaly and seismic data. The calculated Moho depths in the EVS vary from 30-31 km near the coast to 9 km in the Central Basin. A map of the lithosphere extension factor in the Cenozoic is constructed from Moho and Pre-Cenozoic sediment basement depths. The fault systems constructed by the maximum horizontal gradient approach include NE-SW, NW-SE, and N-S oriented faults. Based on the interpretation results, the EVS is sub-divided into five structural zones which demonstrated the different characteristics of the crustal structure.

Słowa kluczowe : satellite gravity, Moho, 3D gravity inversion, crustal structure, mid-ocean ridge,
Wydawnictwo : Instytut Geofizyki PAN
Rocznik : 2013
Numer : Vol. 61, no. 2
Strony : 357 – 384
Bibliografia : Ben-Avraham, Z., and S. Uyeda (1973), The evolution of the China Basin and the Mesozoic paleogeography of Borneo, Earth Planet. Sci. Lett. 18, 2, 365-376, DOI: 10.1016/0012-821X(73)90077-0.
Blakely, R.J. (1995), Potential Theory in Gravity and Magnetic Applications, Cambridge University Press, Cambridge, 464 pp., DOI: 10.1017/CBO9780511549816.
Blakely, R.J., and R.W. Simpsom (1986), Approximating edges of source Dobies from magnetic or gravity anomalies, Geophysics 51, 7, 1494-1498, DOI: 10.1190/1.1442197.
Braitenberg, C., S. Wienecke, and Y. Wang (2006), Basement structure from satellite-derived gravity field: South China Sea ridge, J. Geophys. Res. 111, B05407, DOI: 10.1029/2005JB003938.
Briais, A., P. Patrat, and P. Tapponnier (1993), Updated interpretation of magnetic anomalies and seafloor spreading stages in the South China Sea: Implications for the Tertiary tectonics of Southeast Asia, J. Geophys. Res. 98, 6299-6328, DOI: 10.1029/92JB02280.
Bui, C.Q. (ed.) (1995), Geology, geodynamic and mineral resources potential in East Vietnam Sea. National Project, Final Report, KT-03-02, 158 pp. (in Vietnamese).
CCOP (1991), Total sedimentary isopach maps offshore east Asia, 1:4 000 000, Coordinating Committee for Geoscience Programmes in East and Southeast Asia, Bangkok, Techn. Bull. 23.
Chen, B., and S. Lei (1987), The map of crustal structures of South China Sea. In: L. He, and B. Chen (eds.), Atlas of Geology and Geophysics of South China Sea (1:2 000 000), Sheet No. 10, Map Publishing House of Guangdong Province, Guangzhou (in Chinese).
Clift, P.D., and Z. Sun (2006), The sedimentary and tectonic evolution of the Yinggehai–Song Hong basin and the southern Hainan margin, South China Sea: Implications for Tibetan uplift and monsoon intensification, J. Geophys. Res. 111, B06405, DOI: 10.1029/2005JB004048.
Clift, P., G.H. Lee, N.A. Duc, U. Barckhausen, H.V. Long, and S. Zhen (2008), Seismic reflection evidence for a Dangerous Grounds miniplate: No extrusion origin for the South China Sea, Tectonics 27, TC3008, DOI: 10.1029/2007TC002216.
Fu, L.-L., and A. Cazenave (eds.) (2001), Satellite Altimetry and Earth Sciences. A Handbook of Techniques and Applications, International Geophysics Series, Vol. 69, Academic Press, New York, 459 pp., DOI: 10.1016/S0074-6142(01)80158-3(01)80158-3.
Fyhn, M.B.W., L.O. Boldreel, and L.H. Nielsen (2009a), Tectonic and climatic control on growth and demise of the Phanh Rang Carbonate Platform offshore south Vietnam, Basin Res. 21, 2, 225-251, DOI: 10.1111/j.1365-2117.2008.00380.x.
Fyhn, M.B.W., L.O. Boldreel, and L.H. Nielsen (2009b), Geological development of the Central and South Vietnamese margin: Implications for the establishment of the South China Sea, Indochinese escape tectonics and Cenozoic volcanism, Tectonophysics 478, 3-4, 184-214, DOI: 10.1016/j.tecto.2009.08.002.
Hall, R. (1996), Reconstructing Cenozoic SE Asia, Geol. Soc., London, Spec. Publ. 106, 153-184, DOI: 10.1144/GSL.SP.1996.106.01.11.
Hirayama, J. (ed.) (1991), Total sedimentary isopach maps offshore East Asia, CCOP Tech. Bull. 23, 116 pp.
Huchon, P., T.N.H. Nguyen, and N. Chamot-Rooke (1998), Finite extension cross the South Vietnam basins from 3D gravimetric modelling: relation to South China Sea kinematics, Mar. Petrol. Geol. 15, 7, 619-634, DOI: 10.1016/S0264-8172(98)00031-2.
Hwang, C., E.-C. Kao, and B. Parsons (1998), Global derivation of marine gravity anomalies from Seasat, Geosat, ERS-1 and TOPEX/POSEIDON altimeter data, Geophys. J. Int. 134, 2, 449-459, 10.1111/j.1365-246X.1998.tb07139.x.
Kiselov, O.M., and U.P. Fedorov (1992), Gravity data of the Gagarinxki Cruise 1990-1992, Final Cruise Report, Vol. 11, 225 pp.
Kulinic, R.G. (1989), Evolution of the Earth Crust in the Cenozoic and the Tectonic Model in the Southeast Asia, Moscow Publishing House, 250 pp. (in Russian).
Le, N.L. (ed.) (2000), Compiling the structure and tectonic maps of the East Vietnam Sea and adjacent, Final Report, National Oceanic Project, KHCN-06, 58 pp. (in Vietnamese).
Lee, G.H., and J.S. Watkins (1998), Seismic sequence stratigraphy and hydrocarbon potential of the Phu Khanh Basin, offshore Central Vietnam, South China Sea, AAPG Bull. 82, 9, 1711-1735.
Lee, G.H., K. Lee, and J.S. Watkins (2001), Geologic evolution of the Cuu Long and Nam Con Son Basins, offshore southern Vietnam, South China Sea, AAPG Bull. 85, 6, 1055-1082, DOI: 10.1306/8626CA69-173B-11D7-8645000102C1865D.
Li, C.W. (ed.) (1976), The offshore hydrocarbon potential of East Asia: A decade of investigation (1966-1975), UNDP technical support for regional offshore prospecting in East Asia (RAS/72/022), 114 pp.
Lister, G.S., M.A. Etheridge, and P.A. Symonds (1986), Detachment faulting and the evolution of passive continental margins, Geology 14, 246-250, DOI: 10.1130/0091-7613(1986)14<246:DFATEO>2.0.CO;2.
Ludwig, W.J. (1970), The Manila trench and West Luzon trough – III. Seismicrefraction measurements, Deep Sea Res. Oceanogr. Abstr. 17, 3, 553-571, DOI: 10.1016/0011-7471(70)90067-7.
Ludwig, W.J., N. Kumar, and R.E. Houtz (1979), Profiler sonobuoy measurement in the South China Sea Basin, J. Geophys. Res. 84, B7, 3505-3518, DOI: 10.1029/JB084iB07p03505.
Marquis, G., D. Roques, P. Huchon, O. Coulon, N. Chamot-Rooke, C. Rangin, and X. Le Pichon (1997), Amount and timing of extension along the Continental margin off Central Vietnam, Bull. Soc. Geol. Fr. 168, 6, 707-716.
Nguyen, N.T., H.H. Nguyen, T.T.H. Nguyen, and H.H. Pham (2002), Deep structure characteristics of Truong Sa Archipelago based on satellite gravity, J. Earth Sci. 4, T24, 348-362 (in Vietnamese).
Nguyen, N.T., S.M. Lee, and B.C. Que (2004), Satellite gravity anomalies and their correlation with the major tectonic features in the South China Sea, Gondwana Res. 7, 2, 407-424, DOI: 10.1016/S1342-937X(05)70793-0.
Nissen, S.S., D.E. Hayes, P. Buhl, J. Diebold, Y. Bochu, W. Zeng, and Y. Chen (1995), Deep penetration seismic soundings across the northern margin of the South China Sea, J. Geophys. Res. 100, B11, 22407-22433, DOI: 10.1029/95JB01866.
Parker, R.L. (1973), The rapid calculation of potential anomalies, Geophys. J. Roy. Astron. Soc. 31, 4, 447-455, DOI: 10.1111/j.1365-246X.1973.tb06513.x.
Rangin, C., P. Huchon, X. Le Pichon, H. Bellon, C. Lepvrier, D. Roques, D.H. Nguyen, and P.V. Quynh (1995), Cenozoic deformation of central and south Vietnam, Tectonophysics 251, 1-4, 179-196, DOI: 10.1016/0040-1951(95)00006-2.
Sandwell, D.T., and W.H.F. Smith (2009), Global marine gravity from retracked Geosat and ERS-1 altimetry: Ridge Segmentation versus spreading rate, J. Geophys. Res. 114, B01411, DOI: 10.1029/2008JB006008.
Sato, T., and K. Okumura (2000), Geotectonic map of East and Southeast Asia: Sheets 4, 5 and 6. First product of the CCOP-CPCEMR geotectonic map project, CCOP Tech. Bull. 27, 16, CD-rom.
Smith, W.H.F., and D.T. Sandwell (1997), Global sea floor topography from satellite altimetry and ship depth soundings, Science 277, 5334, 1956-1962, DOI: 10.1126/science.277.5334.1956.
Spector, A., and F.S. Grant (1970), Statistical models for interpreting aeromagnetic data, Geophysics 35, 2, 293-302, DOI: 10.1190/1.1440092.
Tapponnier, P., G. Peltzer, and R. Armijo (1986), On the mechanics of the collision between India and Asia, Geol. Soc. London Spec. Publ. 19, 113-157, DOI: 10.1144/GSL.SP.1986.019.01.07.
Taylor, B., and D.E. Hayes (1980), The tectonic evolution of the South China Basin, Geophys. Monogr. Ser. 23, 89-104, DOI: 10.1029/GM023p0089.
Taylor, B., and D.E. Hayes (1983), Origin and history of the South China Basin, Geophys. Monogr. Ser. 27, 23-56, DOI: 10.1029/GM027p0023.
Xia, K., C. Huang, S. Jiang, Y. Zhang, D. Su, S. Xia, and Z. Chen (1994), Comparison of the tectonics and geophysics of the major structural belts between the northern and southern continental margins of the South China Sea, Tectonophysics 235, 1-2, 99-116, DOI: 10.1016/0040-1951(94)90019-1.
Yan, P., D. Zhou, and Z. Lui (2001), A crustal structure profile across the northern continental margin of the South China Sea, Tectonophysics 338, 1, 1-21, DOI: 10.1016/S0040-1951(01)00062-2.
Cytuj : Vitkulin, A. V. ,Semenov, V. Y. ,Majewski, E. ,Nenovski, P. ,Sayil, N. ,Nguyen, N. T. , Topography of the Moho and earth crust structure beneath the East Vietnam Sea from 3D inversion of gravity field data. Acta Geophysica Vol. 61, no. 2/2013