Crustal structure and rift flank uplift of the Adare Trough, Antarctica

Geochemistry, Geophysics, Geosystems

Volumn 6, Issue 11, 2005, Pages

  Müller, R Dietmar ^a   Steven, C Cande ^b   Stock, Joann M ^c   Keller, William R ^c,d  

^a UNIVERSITY OF SYDNEY   (Australia)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^d ANADARKO PETROLEUM CORPORATION   (United States)

Author keywords

Adare trough; Antarctica; Depth anomaly; Extinct ridge; Flexure; Rift

Indexed keywords

EID: 33746570430     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2005GC001027     Document Type: Article

References (37)

1. Ashalatha, B., and R. N. Singh (2001), Effects of fluid circulation on the thermal structure of evolving lithosphere: Application to Carlsberg Ridge, J. Geol. Soc. India, 58, 351-359.
2. Becker, T., and L. Boschi (2002), A comparison of tomographic and geodynamic mantle models, Geochem. Geophys. Geosyst., 3(1), 1003, doi:10.1029/2001GC000168.
3. Behrendt, J. C. (1999), Crustal and lithospheric structure of the West Antarctic Rift system from geophysical investigations: A review, in Lithosphere Dynamics and Environmental Change of the Cenozoic West Antarctic Rift System, edited by F. M. Van Der Wateren and S. A. P. L. Cloetingh, Global Planet. Change, 23, 25-44.
4. Bodine, J. H., M. S. Steckler, and A. B. Watts (1981), Observations of flexure and rheology of the oceanic lithosphere, J. Geophys. Res., 86, 3695-3707.
5. Cande, S. C., and J. M. Stock (2005a), Cenozoic reconstructions of the Australia-New Zealand-South Pacific sector of Antarctica, in The Cenozoic Southern Ocean: Tectonics, Sedimentation and Climate Change Between Australia and Antarctica, Geophys. Monogr. Ser., vol.151, edited by N. F. Exon et al., pp. 5-18, AGU, Washington, D. C.
6. Cande, S. C., and J. M. Stock (2005b), Constraints on the timing of extension in the Northern Basin, Ross Sea, paper presented at 9th International Symposium on Antarctic Earth Sciences, ISAES IX, Sci. Comm. on Antarct. Res., Potsdam, Germany.
7. Cande, S. C.,J.M.Stock,R.D. Mueller,and T. Ishihara (2000), Cenozoic motion between East and West Antarctica, Nature, 404, 145-150.
8. Clouard, V., and A. Bonneville (2001), How many Pacific hotspots are fed by deep-mantle plumes?, Geology, 29, 695-698.
9. Divins, D. L., and P. D. Rabinowitz (1991), Total sediment thickness map for the South Atlantic Ocean, in International Geological and Geophysical Atlas of the Atlantic and Pacific Oceans (GAPA), edited by G. B. Udintsev, pp. 147-148, Intergov. Oceanogr. Comm., Paris.
10. Donnellan, A., and B. P. Luyendyk (2004), GPS evidence for a coherent Antarctic plate and for postglacial rebound in Marie Byrd Land, Global Planet. Change, 42, 305-311.
11. Finn, C. A., R. D. Müller, and K. S. Panter (2005), A Cenozoic diffuse alkaline magmatic province (DAMP) in the southwest Pacific without rift or plume origin, Geochem. Geophys. Geosyst., 6, Q02005, doi:10.1029/ 2004GC000723.
12. Frakes, L. A. (1975), Paleoclimatic significance of some sedimentary components at Site 274, Initial Rep. Deep Sea Drill. Proj., 28, 785-787.
13. Hayes, D. E., and J. L. LaBrecque (1991), Sediment isopachs: Circum-Antarctic to 30°S, in Marilogical and Geophysical Atlas of the Circum-Antarctic to 30° S, Antarct. Res. Ser., vol.54, edited by D. E. Hayes, pp. 29-33, AGU, Washington, D. C.
14. Hayes, D. E., et al. (1975), Site 274, Initial Rep. Deep Sea Drilling Proj., 28, 369-433.
15. Jokat, W., O. Ritzmann, M. C. Schmidt-Aursch, S. S. Drachev, S. Gauger, and J. H. Snow (2003), Geophysical evidence for reduced melt production on the Arctic ultraslow Gakkel mid-ocean ridge, Nature, 423, 962-965.
16. Jonas, J., S. A. Hall, and J. F. Casey (1991), Gravity anomalies over extinct spreading centers: A test of gravity models of active centers, J. Geophys. Res., 96, 11, 759-11, 777.
17. Jung, W. Y., and P. R. Vogt (1997), A gravity and magnetic anomaly study of the extinct Aegir Ridge, Norwegian Sea, J. Geophys. Res., 102, 5065-5089.
18. Keller, W. R. (2004), Cenozoic plate tectonic reconstructions and plate boundary processes in the Southwest Pacific, Ph.D. thesis, 129 pp., Calif. Inst. of Technol., Pasadena, Calif.
19. Livermore, R., et al. (2000), Autopsy on a dead spreading center: The Phoenix Ridge, Drake Passage, Antarctica, Geology, 28, 607-610.
20. Lizarralde, D., J. B. Gaherty, J. A. Collins, G. Hirth, and S. D. Kim (2004), Spreading-rate dependence of melt extraction at mid-ocean ridges from mantle seismic refraction data, Nature, 432, 744-747.
21. Ludwig, W. J., and R. E. Houtz (1979), Isopach map of the sediments in the Pacific Ocean basin, Am. Assoc. Pet. Geol., Tulsa, Okla.
22. Matthias, P. K., P. D. Rabinowitz, and N. Dipiazza (1988), Sediment thickness map of the Indian Ocean, Map 505, Am. Assoc. Pet. Geol., Tulsa, Okla.
23. McAdoo, D., and S. Laxon (1997), Antarctic tectonics: Constraints from an ERS-1 satellite marine gravity field, Science, 276, 556-560.
24. Müller, R. D., and W. H. F. Smith (1993), Deformation of the oceanic crust between the North American and South American plates, J. Geophys. Res., 98, 8275-8291.
25. Parker, R. L. (1973), The rapid calculation of potential anomalies, Geophys. J. R. Astron. Soc., 31, 447-455.
26. Parsons, B., and J. G. Sclater (1977), An analysis of the variation of ocean floor bathymetry and heat flow with age, J. Geophys. Res., 82, 803-827.
27. Phipps-Morgan, J., and D. K. Blackman (1993), Inversion of combined gravity and bathymetry data for crustal structure: A prescription for downward continuation, Earth Planet. Sci. Lett., 119, 167-179.
28. Radha, K. M. (1996), Isostatic response of the Central Indian Ridge (western Indian Ocean) based on transfer function analysis of gravity and bathymetry data, Tectonophysics, 257, 137-148.
29. Rocchi, S., P. Armienti, M. D'Orazio, S. Tonarini, J.R. Wijbrans, and G. Di Vincenzo (2002), Cenozoic magmatism in the western Ross Embayment: Role of mantle plume versus plate dynamics in the development of the West Antarctic Rift System, J. Geophys. Res., 107(B9), 2195, doi:10.1029/2001JB000515.
30. Shapiro, N. M., and M. H. Ritzwoller (2004), Inferring surface heat flux distributions guided by a global seismic model: Particular application to Antarctica, Earth Planet. Sci. Lett., 223, 213-224.
31. Steinberger, B., R. Sutherland, and R. J. O'Connell (2004), Prediction of Emperor-Hawaii seamount locations from a revised model of global plate motion and mantle flow, Nature, 430, 167-173.
32. Sykes, T. J. S. (1996), A correction for sediment load upon the ocean floor: Uniform versus varying sediment density estimations - Implications for isostatic correction, Mar. Geol., 133, 35-49.
33. Tonarini, S., S. Rocchi, P. Armienti, and F. Innocenti (1997), Constraints on timing of Ross Sea rifting inferred from Cainozoic intrusions from Northern Victoria Land, Antarctica, in The Antarctic region: Geological Evolution and Processes; Proceedings of the VII International Symposium on Antarctic Earth Sciences, edited by C. A. Ricci, pp. 511 - 521, Terra Antarct., Siena, Italy.
34. Weissel, J. K., and D. E. Hayes (1972), Magnetic anomalies in the southeast Indian Ocean, Antarct. Res. Ser., 19, 165-196.
35. Weissel, J. K., and G. D. Karner (1989), Flexural uplift of rift flanks due to mechanical unloading of the lithosphere during extension, J. Geophys. Res., 94, 13, 919-13, 950.
36. White, R. S., D. McKenzie, and R. K. O'Nions (1992), Oceanic crustal thickness from seismic measurements and rare earth element inversion, J. Geophys. Res., 97, 19, 683-19, 715.
37. Winberry, J. P., and S. Anandakrishnan (2003), Seismicity and neotectonics of West Antarctica, Geophys. Res. Lett., 30(18), 1931, doi:10.1029/2003GL018001.