Crustal structure of the Filchner-Ronne shelf and Coats Land, Antarctica, from gravity and magnetic data: Implications for the breakup of Gondwana

Journal of Geophysical Research: Solid Earth

Volumn 104, Issue B9, 1999, Pages 20379-20394

  Studinger, Michael ^a,b   Miller, Heinz ^a  

^a ALFRED WEGENER INSTITUTE FOR POLAR AND MARINE RESEARCH   (Germany)

^b Department of Earth and Environmental Sciences   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CONTINENTAL BREAKUP; CRUSTAL STRUCTURE; CRYSTAL; GONDWANA; ICE SHELF; SUPERCONTINENT;

ANTARCTICA; COATS LAND; FILCHNER-RONNE ICE SHELF;

EID: 0345739695     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/1999jb900117     Document Type: Article

References (52)

1. Aleshkova, N.D., A.V. Golynsky, R.G. Kurinin, and V.S. Mandrikov, Gravity studies of the Weddell Sea region and the central sector of East Antarctic: Free-air and Bouguer anomaly map compilation, in Abstracts of II International Workshop on Antarctic Digital Magnetic Project (ADMAP), pp. 9-10, Roma, 1997.
2. Bell, R.E., J.M. Brozena, W.F. Haxby, and J.L. Labreque, Continental margins of the western Weddell Sea: Insights from airborne gravity and Geosat-derived gravity, in Contributions to Antarctic Research I, Antarct. Res. Ser., vol. 50, edited by D.H. Elliot, 91-102, AGU, Washington, D.C., 1990.
3. Blakely, R.J., and R.W. Simpson, Approximating edges of source bodies from magnetic or gravity anomalies, Geophysics, 51, 1494-1498, 1986.
4. e) of continental lithosphere: What does it really mean?, J. Geophys. Res., 100, 3905-3927, 1995.
5. 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.
6. Cordell, L., and V.J.S. Grauch, Mapping basement magnetization zones from aeromagnetic data in the San Juan Basin, New Mexico, in The Utility of Regional Gravity and Magnetic Anomaly Maps, edited by W.J. Hinze, pp. 181-191, Soc. of Explor. Geophys., Tulsa, Okla., 1985.
7. Curtis, M.L., and B.C. Storey, A review of geological constrains on the pre-break-up position of the Ellsworth-Whitmore Mountains within Gondwana: Implications for the Weddell Sea evolution, in Weddell Sea Tectonics and Gondwana Break-up, edited by B.C. Storey, E.C. King, and R. Livermore, Geol. Soc. Spec. Publ., 108, 11-30, 1996.
8. Dalziel, I.W.D., Antarctica: A tale of two Supercontinents?, Annu. Rev. Earth Planet. Sci., 20, 501-526, 1992.
9. Dalziel, I.W.D., and A.M. Grunow, Late Gondwanide tectonic rotations within Gondwanide, Tectonics, 11, 603-606, 1992.
10. DiVenere, V., D.V. Kent, and I.W.D. Dalziel, Early Cretaceous paleomagnetic results from Marie Byrd Land, West Antarctica: Implications for the Weddellia collage of crustal blocks, J. Geophys. Res., 100, 8133-8151, 1995.
11. DiVenere, V., D.V. Kent, and I.W.D. Dalziel, Summary of paleomagnetic results from West Antarctica: Implications for the tectonic evolution of the Pacific margin of Gondwana during the Mesozoic, in Weddell Sea Tectonics and Gondwana Break-up, edited by B.C. Storey, E.C. King, and R. Livermore, Geol. Soc. Spec. Publ., 108, 31-43, 1996.
12. Doucouré, C.M., M.J. de Wit, and M.F. Mushayandebvu, Effective elastic thickness of the continental lithosphere in South Africa, J. Geophys. Res., 101, 11291-11301, 1996.
13. Elliot, D.H., Triassic-Early Cretaceous evolution of Antarctica, in Geological Evolution of Antarctica, edited by M.R.A. Thompson, J.A. Crame, and J.W. Thompson, pp. 541-548, Cambridge Univ. Press, New York, 1991.
14. Encarnación, J., T.H. Fleming, D.H. Elliot, and H.V. Eales, Synchronous emplacement of Ferrar and Karoo dolerites and the early breakup of Gondwana, Geology, 24, 535-538, 1996.
15. Forsyth, D.W., Subsurface loading and estimates of the flexural rigidity of continental lithosphere, J. Geophys. Res., 90, 12623-12632, 1985.
16. Frisch, J., and P. Kewitsch, Gravity measurements, in Die Expedition ANTARKTIS IV mit FS "POLARSTERN" 1985/86, edited by D.K. Fütterer, Ber. Polarforsch. Bremerhaven, 33, 66-77, 1987.
17. Gerland, S., G. Kuhn, F. Gingele, R. Kringel, and B. Maus, Physical properties of the sediments and other geophysical investigations, in Die Expeditionen ANTARKTIS IX/1-4 des Forschungsschiffes "POLARSTERN" 1990/91, edited by U. Bathmann, M. Schulz-Baldes, E. Fahrbach, V. Smetacek, and H.-W. Hubberten, Ber. Polarforsch. Bremerhaven, 100, 245-246, 1992.
18. Gose, W.A., M.A. Helper, J.N. Conelly, F.E. Hutson, and I.W.D. Dalziel, Paleomagnetic data and U-Pb isotopic age determinations from Coats Land, Antarctica: Implications for late Proterozoic plate reconstructions, J. Geophys. Res., 102, 7887-7902, 1997.
19. Grikurov, G.E., V.L. Ivanov, V.V. Traube, G.L. Leitchenkov, N.D. Aleshkova, A.V. Golynsky, and R.G. Kurinin, Structure and evolution of sedimentary basins in the Weddell Province, in Abstracts - Sixth International Symposium on Antarctic Earth Science, Japan, pp. 185-190, Symposium on Antarctic Earth Sciences, Saitama,1991.
20. Gronewald, P.B., G.H. Grantham, and M.K. Watkeys, Geological evidence for a Proterozoic to Mesozoic link between southeastern Africa and Dronning Maud Land, J. Geol. Soc. London, 148, 1115-1123, 1991.
21. Grunow, A.M., Creation and destruction of Weddell Sea floor in the Jurassic, Geology, 21, 647-650, 1993.
22. Grunow, A.M., D.V. Kent, and I.W.D. Dalziel, New paleomagnetic data from Thurston Island: Implications for the tectonics of west Antarctica and Weddell Sea opening, J. Geophys. Res., 96, 17935-17954, 1991.
23. Gwavava, O., C.J. Swain, and F. Podmore, Mechanisms of isostatic compensation of the Zimbabwe and Kaapvaal cratons, the Limpopo Belt and the Mozambique Basin, Geophys. J. Int., 127, 635-650, 1996.
24. Haugland, K., Seismic reconnaissance survey in the Weddell Sea, in Antarctic Geoscience, edited by C. Craddock, pp. 405-413, Univ. Wis. Press, Madison, 1982.
25. Hildenbrand, T.G., FFTFIL-A filtering program based on two-dimensional Fourier analysis, U.S. Geol. Surv. Open File Rep., 83-237, 60 pp., 1983.
26. Hinz, K., and W. Krause, The continental margin off Queen Maud Land, Antarctica: Seismic sequences, structural elements and geological development, Geol. Jahrb., E23, pp.17-41, 1982.
27. Hinz, K., and Y. Kristoffersen, Antarctica - Recent advances in the understanding of the continental shelf, Geol. Jahrb., E37, 54 pp., 1987.
28. Hübscher, C., W. Jokat., and H. Miller, Structure and origin of southern Weddell Sea crust: Results and implications, in Weddell Sea Tectonics and Gondwana Break-up, edited by B.C. Storey, E.C. King, and R. Livermore, Geol. Soc. Spec. Publ., 108, 201-211, 1996.
29. Hunter, R.J., A.C. Johnson, and N.D. Aleshkova, Aeromagnetic data from the southern Weddell Sea embayment and adjacent areas: Synthesis and interpretation, in Weddell Sea Tectonics and Gondwana Break-up, edited by B.C. Storey, E.C. King, and R. Livermore, Geol. Soc. Spec. Publ., 108, 143-154, 1996.
30. Jokat, W., G. Uenzelmann, H. Miller, A. Brodscholl, and J. Wüster, Gravimetrie und Magnetik, in Die Expedition ANTARKTIS VIII mit FS "POLARSTERN" 1989/90, edited by H. Miller and H. Oerter, Ber. Polarforsch. Bremerhaven, 86, 18-19, 1991.
31. Jokat, W., C. Hübscher, U. Meyer, L. Oszkó, T. Schöne, W. Versteeg, and H. Miller, The continental margin off East Antarctica between 10° W and 30° W, in Weddell Sea Tectonics and Gondwana Break-up, edited by B.C. Storey, E.C. King, and R. Livermore, Geol. Soc. Spec. Publ., 108, 129-141, 1996.
32. Jokat, W., N. Fechner, and M. Studinger, Geodynamic models of the Weddell Sea embayment in view of new geophysical data, in The Antarctic Region: Geological Evolution and Processes, edited by C.A. Ricci, pp. 453-460, Terra Antart. Publ., Siena, 1997a.
33. Jokat, W., N. Fechner, U. Kehse, H. Martens, D. Mann, K. Morgenstern, and M. Studinger, Marine Geophysik, in Die Expedition ANTARKTIS-XII mit FS "POLARSTERN" 1995, Bericht vom Fahrtabschnitt ANT-XII/3, edited by W. Jokat and H. Oerter, Ber. Polarforsch. Bremerhaven, 219, 44-59, 1997b.
34. Jokat, W., et al., Marine Geophysik, in Die Expedition ANTARKTIS-VIX mit FS "POLARSTERN" 1997, edited by W. Jokat and H. Oerter, Ber. Polarforsch. Bremerhaven, 267, 67-75, 1998.
35. Kadmina, I.N., R.G. Kurinin, V.N. Masolov, and G.E. Grikurov, Antarctic crustal structure from geophysical evidence: A review, in Antarctic Earth Science, edited by R.L. Oliver, and P.R. James, pp. 498-502, Austr. Acad. of Sci., Cambridge Univ. Press, Canberra, 1983.
36. Karner, G.D., and A.B. Watts, Gravity anomalies and flexure of the lithosphere at mountain ranges, J. Geophys. Res., 88, 10449-10477, 1983.
37. Karner, G.D., M.S. Steckler, and J.A. Thorne, Long-term thermomechanical properties of the continental lithosphere, Nature, 304, 250-253, 1980.
38. Lavier, L.L, and M.S. Steckler, The effect of sedimentary cover on the flexural strength of continental lithosphere, Nature, 389, 476-479, 1997.
39. Lawver, L.A., L.M. Gahagan, and M.F. Coffin, The development of paleoseaways around Antarctica, in The Antarctic Paleoenvironment: A Perspective on Global Change, Vol. 56., edited by J.P. Kennett and D.A. Warnke, pp. 7-30, Antarctic Research Series, AGU, Washington, D.C., 1991.
40. Lowry, R.A., and R.B. Smith, Flexural rigidity of the Basin and Range-Colorado Plateau-Rocky Mountain transition from coherence analysis of gravity and topography, J. Geophys. Res., 99, 20123-20140, 1994.
41. Macario, A., A. Malinverno, and W.F. Haxby, On the robustness of elastic thickness estimates obtained using the coherence method, J. Geophys. Res., 100, 15163-15172, 1995.
42. Meyer, U., Gravimetrie, in Die Expedition ANTARKTIS X mit FS "POLARSTERN" 1992, edited by H. Miller, Ber. Polarforsch. Bremerhaven, 152, 109-110, 1994.
43. Meyer, U., Untersuchung struktureller Elemente des südöstlichen Weddellmeeres/Antarktis auf der Basis mariner Potentialfelddaten, Ph.D. thesis. University of Bremen, 1995.
44. Morelli, C., C. Gantar, T. Honkasalon, K. McConnel, J.G. Tanner, B. Szabo, U. Uotila, and C.T. Whalen, the International Standardization Net 1971 (IGSN71), IUGG-IAG Publ. Spec. 4, Int. Union of Geod. and Geophys., Paris, 1974.
45. Oszkó, L., Tectonic structures and glaziomarine sedimentation in the southeastern Weddell Sea from seismic reflection data, Ber. Polarforsch. Bremerhaven, 222, 153 pp. 1997.
46. Smith, W.H.F., and P. Wessel, Gridding with continuous curvature splines in tension, Geophysics, 55, 293-305, 1990.
47. Spector, A., and F.S. Grant, Statistical models for interpreting aeromagnetic data, Geophysics, 35, 293-302, 1970.
48. Storey, B.C., The crustal blocks of West Antarctica within Gondwana: Reconstruction and breakup model, in Geological Evolution of Antarctica, edited by M.R.A. Thompson, J.A. Crame, and J.W. Thompson, pp. 587-592, Cambridge Univ. Press, New York, 1991.
49. Storey, B.C., R.J. Pankhurst, and A.C. Johnson, The Grenville Province within Antarctica: A test of the SWEAT hypothesis, J. Geol. Soc. London, 151, 1-4, 1994.
50. Storey, B.C., A.P.M. Vaughan, and I.L. Millar, Geodynamic evolution of the Antarctic Peninsula during Mesozoic times and its bearing on Weddell Sea history, in Weddell Sea Tectonics and Gondwana Break-up, edited by B.C. Storey, E.C. King, and R. Livermore, Geol. Soc. Spec. Publ., 108, 87-103, 1996.
51. Studinger, M., Compilation and analysis of potential field data from the Weddell Sea, Antarctica: implications for the break-up of Gondwana, Ber. Polarforsch. Bremerhaven, 276, 134 pp., 1998.
52. Studinger, M., R.G. Kurinin, N.D. Aleshkova, and H. Miller, Power spectra analysis of gravity data from the Weddell Sea embayment and adjacent areas, Terra Antart., 4(1), 23-26, 1997.