Segmentation and morphology of the Central Indian Ridge between 3°S and 11°S, Indian Ocean

Tectonophysics

Volumn 554-557, Issue , 2012, Pages 114-126

  Kamesh Raju, K A ^a   Samudrala, Kiranmai ^a   Drolia, R K ^b   Amarnath, Dileep ^c   Ramachandran, Ratheesh ^d   Mudholkar, Abhay ^a  

^a NATIONAL INSTITUTE OF OCEANOGRAPHY   (India)

^b NATIONAL GEOPHYSICAL RESEARCH INSTITUTE   (India)

^c Upstream Petroleum Consultants   (United Arab Emirates)

^d NATIONAL CENTRE FOR ANTARCTIC AND OCEAN RESEARCH   (India)

Author keywords

Central Indian Ridge; Diffuse plate boundary; Magnetic anomalies; Multibeam bathymetry; Oceanic core complex; Ridge segmentation

Indexed keywords

CENTRAL INDIAN RIDGE; DIFFUSE PLATE BOUNDARIES; MAGNETIC ANOMALIES; MULTIBEAM BATHYMETRY; OCEANIC CORE-COMPLEXES;

BATHYMETRY; FLOORS; GEOMETRY; LANDFORMS; PLATES (STRUCTURAL COMPONENTS); TRANSFORM FAULTS;

MAGNETISM;

ACCRETIONARY PRISM; BATHYMETRY; CORE-MANTLE BOUNDARY; DISCONTINUITY; MAGNETIC ANOMALY; OCEANIC LITHOSPHERE; PLATE BOUNDARY; RIFT ZONE; SEA SURFACE TOPOGRAPHY; SEISMICITY; TRANSFORM FAULT;

CENTRAL INDIAN RIDGE; INDIAN OCEAN; MID-INDIAN RIDGE;

EID: 84863777800     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tecto.2012.06.001     Document Type: Article

References (53)

1. Briais A. Structural analysis of the segmentation of the Central Indian Ridge between 20°30' and 25°30' S (Rodriguez Triple Junction). Marine Geophysical Research 1995, 17:431-467.
2. Bull J.M., De Mets C., Krishna K.S., Sanderson D.J. Reconciling lithospheric convergence in the central Indian Ocean determined from plate kinematics and seismic reflection data. Geology 2010, 38(4):307-310. 10.1130/G30521.1.
3. Cande S.C., Kent D.V. Revised calibration of the geomagnetic polarity timescale for the late Cretaceous and Cenozoic. Journal of Geophysical Research 1995, 100:6093-6095.
4. Caress D.W., Chayes D.N. MB-system, Developed at Lamont-Doherty Earth Observatory Report 1995.
5. Cochran J.R., Kurrus G.J., Edwards M.H., Coakley B.J. The Gakkel Ridge: bathymetry, gravity anomalies and crustal accretion at extremely slow spreading rates. Journal of Geophysical Research 2003, 108. 10/1029/2002JB001830.
6. DeMets C., Gordon R.G., Vogt P. Location of the Africa-Australia-India triple junction and motion between the Australian and Indian plates: results from an aeromagnetic investigation of the Central Indian and Carlsberg ridges. Geophysical Journal International 1994, 119:893-930.
7. DeMets C., Gordon R.G., Royer J.-Y. Motion between the Indian, Capricorn, and Somalian plates since 20 Ma: implications for the timing and magnitude of distributed lithospheric deformation in the equatorial Indian Ocean. Geophysical Journal International 2005, 161:445-468.
8. DeMets C., Gordon R.G., Argus D.F. Geologically current plate motions. Geophysical Journal International 2010, 181:1-80.
9. Dick H.J.B., Lin J., Schouten H. An ultraslow-spreading class of ocean ridge. Nature 2003, 426:405-412.
10. Drolia R.K., DeMets C. Deformation in the diffuse India-Capricorn-Somalia triple junction from a multibeam and magnetic survey of the northern Central Indian ridge, 3°S-10°S. Geochemistry, Geophysics, Geosystems 2005, 6:Q09009. 10.1029/2005GC000950.
11. Drolia R.K., Ghose I., Subramanyam A.S., Malleswara Rao M.M., Kessarkar P., Murthy K.S.R. Magnetic and bathymetric investigations over the Vema Region of the Central Indian Ridge: tectonic implications. Marine Geology 2000, 167:413-423.
12. Escartin J., Smith D.K., Cann J.R., Schouten H., Langmuir C.H., Escrig S. Central role of detachment faults in accretion of slow spreading oceanic lithosphere. Nature 2008, 455:790-794. 10.1038/nature07333.
13. Fox P.J., Grindlay N.R., Macdonald K.C. The Mid-Atlantic Ridge (31°S-34°30'S): temporal and spatial variations of accretionary processes. Marine Geophysical Research 1991, 13:1-20.
14. Fujimoto H., Seama N., Lin J., Matsumoto T., Tanaka T., Fujioka K. Gravity anomalies of the Mid-Atlantic Ridge north of the Kane Fracture Zone. Geophysical Research Letters 1996, 23:3431-3434.
15. Gac S., Tisseau C., Dyment J., Goslin J. Modelling the thermal evolution of slow-spreading ridge segments and their off-axis geophysical signature. Geophysical Journal International 2006, 164:341-358.
16. Gente P., Pockalny R.A., Durand C., Deplus C., Maria M., Ceuleneer G., Mevel C., Cannet M., Laverne C. Characteristics and evolution of the segmentation of the Mid-Atlantic Ridge between 20°N and 24°N during the last 10million years. Earth and Planetary Science Letters 1995, 129:22-71.
17. Gordon R.G., DeMets C., Argus D.F. Kinematic constraints on distributed lithospheric deformation in the equatorial Indian Ocean from present motion between the Australian and Indian plates. Tectonics 1990, 9:409-422.
18. Goslin J., Triatnord Scientific Party Extent of Azores plume influence on the Mid-Atlantic Ridge north of hotspot. Geology 1999, 27:991-994.
19. Grindlay N.R., Fox P.J., Vogt P.R. Morphology and tectonics of the Mid-Atlantic Ridge (25°-27°30'S) from SeaBeam and magnetic data. Journal of Geophysical Research 1992, 97:6983-7010.
20. IAGA, Division V, Working Group 8, 2001. International Geomagnetic Reference Field-2000. Eos Trans. AGU 82 (32), 347, http://dx.doi.org/10.1029/01EO00215.
21. Kamesh Raju K.A., Ramprasad T., Subrahmanyam C. Geophysical investigations over a segment of the Central Indian Ridge, Indian Ocean. Geo-Marine Letters 1997, 17:195-201.
22. Kamesh Raju K.A., Chaubey A.K., Amarnath Dileep, Mudholkar Abhay Morphotectonics of the Carlsberg Ridge between 62°20' and 66°20'E, northwest Indian Ocean. Marine Geology 2008, 252:120-128.
23. Karson J.A. Along-axis variations in seafloor spreading in the MARK area. Nature 1987, 328:681-685.
24. Kuo B.Y., Forsyth D.W. Gravity anomalies of the ridge-transform system in the south Atlantic between 31 and 34.5°S: upwelling centers and variations in crustal thickness. Marine Geophysical Research 1988, 10:59-90.
25. Lin J., Morgan J.P. The spreading rate dependence of three-dimensional mid-ocean ridge gravity structure. Journal of Geophysical Research Letters 1992, 19:13-16.
26. Lin J., Purdy G.M., Schouten H., Sempere J.C., Zervas C. Evidence from gravity data for focused magmatic accretion along the Mid-Atlantic Ridge. Nature 1990, 344:627-632.
27. Macdonald K.C., Fox P.J. Mid Ocean Ridge. Scientific American 1990, 262(6):42-49.
28. Macdonald K.C., Fox P.J., Perram L.J., Eisen M.F., Haymon R.M., Miller S.P., Carbotte S.M., Cormier M.H., Shor A.N. A new view of the mid-ocean ridge from the behaviour of ridge axis discontinuities. Nature 1988, 335:217-225.
29. Macdonald K.C., Scheirer D.S., Carbotte S.M. Mid-ocean ridge: discontinuities, segments and giant cracks. Science 1991, 253:986-994.
30. Maia M., Gente P. Three-dimensional gravity and bathymetry analysis of the Mid-Atlantic Ridge between 20°N and 24°N: flow geometry and temporal evolution of the segmentation. Journal of Geophysical Research 1998, 103:951-974.
31. McKenzie D.P., Sclater J.G. The evolution of the Indian Ocean since the Late Cretaceous. Geophysical Journal of the Royal Astronomical Society 1971, 25:437-528.
32. Merkouriev S., DeMets C. Constraints on Indian plate motion since 20Ma from dense Russian magnetic data: implications for Indian plate dynamics. Geochemistry, Geophysics, Geosystems 2006, 7:Q02002. 10.1029/2005GC001079.
33. Michael P.J., Langmuir C.H., Dick H.C.B., Snow J.E., Goldstein S.L., Grraham D.W., Lehnert K., Kurras G., Jokat W., Muhe R., Edmonds H.N. Magmatic and amagmatic seafloor generation at the ultraslow-spreading Gakkel ridge, Artic Ocean. Nature 2003, 423:956-961.
34. Perfit M.R., Chadwick W.W. Magmatism at mid-ocean ridges: constraints from volcanological and geochemical investigations. Geophysical Monograph 1998, 106:59-115. American Geophysical Union, Washington. R.W. Buck, P.T. Delaney, J.A. Karson, Y. Lagabrielle (Eds.).
35. Royer J.Y., Chang T. Evidence for relative motions between the India and Australian plates during the last 20 Myr from plate tectonic reconstruction: implications for the deformation of the Indo-Australian plate. Journal of Geophysical Research 1991, 96:11779-11802.
36. Royer J.Y., Gordon R.G. The motion and boundary between the Capricorn and Australian Plates. Science 1997, 277:1268-1274.
37. Royer J.Y., Sandwell D.T. Evolution of the eastern Indian Ocean since the Late Cretaceous - constraints from Geosat altimetry. Journal of Geophysical Research 1989, 94:13755-13782.
38. Sandwell D.T., Smith W.H.F. Marine gravity anomaly from geosat and ERS-1 altimetry. Journal of Geophysical Research 1997, 102:10039-10054.
39. Sauter D., Partriat P., Jestin C.R., Cannet M., Brias A., Gallieni Shipboard Scientific Party The Southwest Indian Ridge between 49°15'E and 57°E: focused accretion and magma redistribution. Earth and Planetary Science Letters 2001, 192:303-317.
40. Scheirer D.S., Macdonald K.C. Variation in cross-sectional area of the axial ridge along the East Pacific Rise: evidence for the magmatic budget of a fast spreading center. Journal of Geophysical Research 1993, 98:7871-7885.
41. Schlich R. The Indian Ocean: aseismic ridges, spreading centers, and oceanic basins. The Indian Ocean 1982, vol. 6:51-147. Plenum, New York. A.E.M. Nairn, F.G. Stehli (Eds.).
42. Sempere J.C., Purdy G.M., Schouten H. The segmentation of the Mid-Atlantic Ridge between 24°N and 30°40'N. Nature 1990, 344:427-431.
43. Sempere J.C., Lin J., Brown H.S., Schouten H., Purdy G.M. Segmentation and Morphotectonic variations along a slow-spreading center: the Mid-Atlantic Ridge (24°00'N-30°40'N). Marine Geophysical Research 1993, 15:153-200.
44. Shaw P.R. Ridge segmentation, faulting and crustal thickness in the Atlanticocean. Nature 1992, 358:490-493.
45. Sinton J.M., Detrick R.S. Mid-Ocean Ridge magma chambers. Journal of Geophysical Research 1992, 97:197-216.
46. Smith D.K., Cann J.R. Building the crust at the Mid-Atlantic Ridge. Nature 1993, 365:707-715.
47. Spencer S., Smith D.K., Cann J.R., Lin J., Mcallister E. Structure and stability of non-transform discontinuities on the Mid-Atlantic Ridge between 24°N and 30°40'N. Marine Geophysical Research 1997, 19:339-362.
48. Tolstoy M., Harding A.J., Orcutt J.A. Crustal thickness on the Mid-Atlantic Ridge bull's eye gravity anomalies and focused accretion. Science 1993, 262:726-729.
49. Tucholke B.E., Lin J., Kleinrock M.C. Megamullion and mullion structures defining oceanic metamorphic core complexes on the Mid-Atlantic Ridge. Journal of Geophysical Research 1998, 103:9857-9866.
50. Tucholke B.E., Behn M.D., Buck R.W., Lin J. Role of melt supply in oceanic detachment faulting and formation of megamullions. Geology 2008, 36:455-458.
51. Vine F.J., Matthews D.M. Magnetic anomalies over ocean ridges. Nature 1963, 199(947):949.
52. Wessel P., Smith W.H.F. Free software helps map and display data. EOS Transactions of the American Geophysical Union 1991, 72:445-446.
53. Wiens D.A. A diffuse plate boundary model for Indian Ocean tectonics. Geophysical Research Letters 1985, 12:429-432.