Shallow-source aeromagnetic anomalies observed over the West Antarctic Ice Sheet compared with coincident bed topography from radar ice sounding - New evidence for glacial "removal" of subglacially erupted late Cenozoic rift-related volcanic edifices

Global and Planetary Change

Volumn 42, Issue 1-4, 2004, Pages 177-193

  Behrendt, John C ^a,b   Blankenship, Donald D ^c   Morse, David L ^c   Bell, Robin E ^d  

^a UNIVERSITY OF COLORADO   (United States)

^b U S GEOLOGICAL SURVEY   (United States)

^c UNIVERSITY OF TEXAS AT AUSTIN   (United States)

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

Author keywords

Aeromagnetic; Erosion; Ice sheets; Radar ice sounding; Rifts; Volcanoes

Indexed keywords

AEROMAGNETIC SURVEY; ANOMALY; GEOPHYSICAL SURVEY; GLACIAL DEBRIS; SUBGLACIAL ENVIRONMENT; TOPOGRAPHY; VOLCANIC FEATURE;

ANTARCTICA; WEST ANTARCTIC ICE SHEET; WEST ANTARCTICA;

EID: 3242683630     PISSN: 09218181     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.gloplacha.2003.10.006     Document Type: Conference Paper

References (45)

1. Alberts F.G. Geographic Names of the Antarctic. Second Edition:1981;U.S. Board on Geographic Names, Washington
2. Armienti P., Baroni C. Cenozoic climatic change in Antarctica recorded by volcanic activity and landscape evolution. Geology. 27:1999;617-620
3. Barrett P.J. Antarctic Cenozoic history from the CIROS-1 drillhole, McMurdo Sound. N. Z. DSIR Bull. 245:1989;. (Wellington), 254 pp.
4. Behrendt J.C. Distribution of narrow-width magnetic anomalies in Antarctica. Science. 144(3641):1964;995-999
5. Behrendt J.C. Crustal and lithospheric structure of the West Antarctic Rift System from geophysical measurements - a review. Global Planet. Change. 23:1999;25-44
6. Behrendt J.C., Bentley C.R. Magnetic and gravity maps of Antarctica. Am. Geogr. Soc. Antarctic Folio. 9:1968
7. Behrendt J.C., Wold R.J. Depth to magnetic 'Basement' in West Antarctica. J. Geophys. Res. 66(4):1963;1145-1153
8. Behrendt J.C., Drewry D.J., Jankowski E., Grim M.S. Aeromagnetic and radio sounding measurements show much greater area of the Dufek intrusion, Antarctica. Science. 209:1980;1014-1017
9. Behrendt J.C., Cooper A.K., Yuan A. Interpretation of marine magnetic gradiometer and multichannel seismic-reflection observations over the western Ross Sea shelf, Antarctica. Cooper A.K., Davey F.J. The Antarctic Continental Margin Geology and Geophysics of the Western Ross Sea. Circum-Pacific Council for Energy and Natural Resources Earth Science Series. vol. 5B:1987;155-178. Houston
10. Behrendt J.C., Duerbaum H.J., Damaske D., Saltus R., Bosum W., Cooper A.K. Extensive volcanism and related tectonism beneath the western Ross Sea continental shelf, Antarctic, Interpretation of an aeromagnetic survey. Thomson M.R.A., Crame J.A., Thomson J.W. Geological Evolution of Antarctica. 1991;299-304 Cambridge Univ. Press, Cambridge
11. Behrendt J.C., LeMasurier W.E., Cooper A.K., Tessensohn F., Damaske D. The West Antarctic Rift System-A Review of Geophysical Investigations, Contributions to Antarctic Res. II. Antarct. Res. Ser. 53:1991;67-112 Am. Geophys. Union, Washington, DC
12. Behrendt J.C., LeMasurier W.E., Cooper A.K., Tessensohn F., Tréhu A., Damaske D. Geophysical studies of the West Antarctic rift system. Tectonics. 10:1991;67-112
13. Behrendt J.C., Blankenship D.D., Finn C.A., Bell R.E., Sweeney R.E., Hodge S.R., Brozena J.M. Evidence for late Cenozoic flood basalts(?) in the West Antarctic rift system revealed by the CASERTZ aeromagnetic survey. Geology. 22:1994;527-530
14. Behrendt J.C., Blankenship D.D., Damaske D., Cooper A.K. Removal of late Cenozoic subglacially emplaced volcanic edifices by the West Antarctic Ice Sheet. Geology. 22:1995;527-530
15. Behrendt J.C., Saltus R., Damaske D., McCafferty A., Finn C., Blankenship D.D., Bell R.E. Patterns of late Cenozoic volcanic tectonic activity in the West Antarctic rift system revealed by aeromagnetic Surveys. Tectonics. 15:1996;660-676
16. Behrendt J.C., Blankenship D.D., Damaske D., Cooper A.K., Finn C., Bell R.E. Geophysical evidence for late Cenozoic subglacial volcanism beneath the West Antarctic Ice Sheet additional speculation as to its origin. Ricci C.A. The Antarctic Region. Geological Evolution Processes. 1997;539-546 Terra Antarctica Publication, Siena
17. Behrendt J.C., Finn C.A., Blankenship D.D., Bell R.E. Aeromagnetic evidence for a volcanic caldera(?) complex beneath the divide of the West Antarctic Ice Sheet. Geophys. Res. Lett. 25:1998;4385-4388
18. Behrendt J.C., Blankenship D.D., Morse D.L., Finn C.A., Bell R.E. Subglacial volcanic features beneath the West Antarctic Ice Sheet interpreted from aeromagnetic and radar ice sounding. Smellie J.L., Chapman M.G. Volcano-Ice Interaction on Earth and Mars. 2002;337-355 Geological Society, London. Special Publication
19. Behrendt J.C., Blankenship D.D., Morse D.L., Finn C.A., Bell R.E. Removal of subglacially erupted volcanic edifices beneath the divide of the West Antarctic Ice Sheet interpreted from aeromagnetic and radar ice sounding surveys. Gamble J.A., Skinner D.N.B., Henrys S., Lynch R. Antarctica at the close of a Millennium, Proceedings Volume 8th International Symposium on Antarctic Earth Sciences. Royal Society of New Zealand Bulletin. vol. 35:2002;579-587
20. Blankenship D.D., Bentley C.R., Rooney S.T., Alley R.B. Till beneath an Ice Stream B.1. Properties derived from seismic travel times. J. Geophys. Res. 9:1987;8903-8911
21. Blankenship D.D., Bell R.E., Hodge S.M., Brozena J.M., Behrendt J.C., Finn C.A. Active volcanism beneath the West Antarctic Ice Sheet. Nature. 361:1993;526-529
22. Blankenship D.D., Morse D.L., Finn C.A., Bell R.E., Peters M.E., Kempf S.D., Hodge S., Studinger M., Behrendt J.C., Brozena J.M. Geologic controls on the initiation of rapid basal motion for the ice streams of the southeastern Ross Embayment: a geophysical perspective including new airborne radar sounding and laser altimetry results. Alley R.B., Bindschadler R.A. The West Antarctic Ice Sheet: Behavior and Environment. Am. Geophys. Union Antarct. Res. Ser. vol. 77:2000;105-121
23. Bourgeois O., Dauteuil O., Van Vleit-Lanoe B. Pleistocene subglacial volcanism in Iceland: tectonic implications. Earth Planet. Sci. Lett. 164:1998;165-178
24. Bourgeois O., Dauteuil O., Van Vliet-Lanoe B. Geothermal control on flow patterns in the last glacial maximum ice sheet of Iceland. Earth Surf. Process. Landf. 25:2000;59-76
25. Dalziel I.W.D., Elliot D.H. West Antarctica: problem child of Gondwanaland. Tectonics. 1:1982;3-19
26. Drewry D.J. Antarctica: Glaciological Geophysical Folio. 1983;Cambridge Univ. Press, Cambridge
27. Elston D.P., Bressler S.L. Paleomagnetic stratigraphy. Barrett P.J. Antarctic Cenozoic history from the MSSTS-1 drillhole, western McMurdo Sound, Wellington. N. Z. DSIR Bull. vol. 237:1986;9-114
28. Gudmundsson M.T., Sigmundsson F., Björnsson H. Ice-volcano interaction of the 1996 Gjálp subglacial eruption, Vatnajökull, Iceland. Nature. 389:1997;957-994
29. Jankowski E.J., Drewry D.J., Behrendt J.C. Magnetic studies of upper crustal structure. Oliver R.L., James J.B., Jago J.B. Antarctic Earth Science. 1983;197-203 Australian Academy of Science, Canberra
30. Jonsson G., Kristjansson L., Sverrisson M. Magnetic surveys of Iceland. Tectonophysics. 189:1991;229-247
31. Kamb B. Basal zone of the West Antarctic ice streams and its role in lubrication of their rapid motion. Alley R.B., Bindshadler R.A. The West Antarctic Ice Sheet Behavior and Environment. Am. Geophys. Union Antarct. Res. Ser. vol. 77:2001;157-199
32. Kyle P.R. McMurdo volcanic group - western Ross Embayment - introduction. LeMasurier W.E., Thomson J.W. In volcanoes of the Antarctic plate and southern oceans. Antarct. Res. Ser. 48:1990;19-25 Am. Geophys. Union, Washington, DC
33. LeMasurier W.E. Late Cenozoic volcanism on the Antarctic plate: an overview. LeMasurier W.E., Thomson J.W. Volcanoes of the Antarctic Plate and Southern Oceans. Am. Geophys. Union Antarct. Res. Ser. vol. 48:1990;1-19
34. LeMasurier, W.E., Thomson, J.W. (Eds.), 1990. Volcanoes of the Antarctic Plate and Southern Oceans. Am. Geophys. Union Antarct. Res. Ser. vol. 48,. 409 pp.
35. Maslanyj, M.P., Garrett, S.W., Johnson, A.C., Renner, R.G.B., Smith, A.M., 1991. Aeromagnetic map of West Antarctica (Weddell Sea Sector). BAS GEOMAP Series, Sheet 2, Scale 1:2,500,000, Brit. Antarct. Surv., Cambridge.
36. McIntosh W.C., Gamble J.A. A subaerial environment for the Hallett Coast volcanoes. Thomson M.R.A., Crame J.A., Thomson J.W. Geological Evolution of Antarctica. 1991;657-661 Cambridge Univ. Press, Cambridge
37. Morse D.L., Blankenship D.D., Waddington E.D., Neumann T.A. A site for deep ice coring in West Antarctica: results from aerogeophysical surveys and thermo-kinematic modeling. Ann. Glaciol. 354:2001;36-44
38. Raymond C.F. Ice sheets on the move. Science. 298:2002;2147-2148
39. Rocchi S., Armienti P., D'Orazio M., Tonarini S., Wijbrans J.R., Di Vincenzo G. 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):2002;2195. (ECV 5-1)
40. Scherer R.P. Quaternary and tertiary microfossils from beneath Ice Stream B: evidence for a dynamic West Antarctic Ice Sheet history. Palaeogeogr. Palaeoclimatol. Palaeoecol. 90:1991;359-412
41. Scherer R.P., Aldahan A., Tulaczyk S., Possnert G., Engelhardt H., Kamb B. Pleistocene collapse of the West Antarctic Ice Sheet. Science. 281:1998;82-85
42. Skilling I.P. Evolution of an englacial volcano: Brown Bluff Antarctica. Bull. Volcanol. 56:1994;573-591
43. Smellie J.L., Skilling I.P. Products of subglacial volcanic eruptions under different ice thicknesses: two examples from Antarctica. Sediment. Geol. 91:1994;115-129
44. Sweeney, R.E., Finn, C.A., Blankenship, D.D., Bell, R.E., Behrendt, J.C., 1999. Central West Antarctica aeromagnetic data: a web site for distribution of data and maps (on-line edition) U.S. Geological Survey Open-File Report 99-420. http://greenwood.cr.usgs.gov/pub/open-file-reports/ofr-99-0420/cwantarctica. html.
45. Tessensohn F.G., Wörner G. The Ross Sea rift system (Antarctica)-structure, evolution, and analogues. Thomson M.R.A., Crame J.A., Thomson J.W. Geological Evolution of Antarctica. 1991;273-277 Cambridge Univ. Press, Cambridge