Tight link between Cenozoic magmatism and local-regional fault activity in the West Antarctic rift

Terra Antartica Reports

Volumn , Issue 12, 2006, Pages 73-80

  Rocchi, S ^a   Armienti, P ^a   Di Vincenzo, G ^b   Nardini, I ^a   Rossetti, F ^c   Storti, F ^c  

^a UNIVERSITY OF PISA   (Italy)

^b CNR   (Italy)

^c ROMA TRE UNIVERSITY   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

BASALT; CENOZOIC; EMPLACEMENT; FAULT; HOT SPOT; ISOTOPIC COMPOSITION; MAGMA; MAGMATISM; MANTLE PLUME; RIFT ZONE; RIFTING;

ANTARCTICA; WEST ANTARCTICA;

EID: 33947253419     PISSN: None     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (31)

1. Behrendt J.C., Blankenship D., Morse D.L. & Bell R.E., 2004. 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, 42, 177-193.
2. Behrendt J.C., LeMasurier W.E., Cooper A.K., Tessensohn F., Tréhu A. & Damaske D., 1991. Geophysical studies of the West Antarctic Rift System. Tectonics, 10(6): 1257-1273.
3. Cande S.C., Stock J.M., Müller R.D. & Ishihara T., 2000. Cenozoic motion between East and West Antarctica. Nature, 404, 145-150.
4. Danesi S. & Morelli A., 2000. Group velocity of Rayleigh waves in the Antarctic region. Physics of the Earth and Planetary Interiors, 122, 55-66.
5. 39Ar dating of pseudotachylytes: the effect of clast-hosted extraneous argon in Cenozoic fault-generated friction melts from the West Antarctic Rift System. Earth and Planetary Science Letters, 223, 349-364, doi:10.1016/j.epsl.2004.04.042.
6. Finn C., Müller R.D. & Panter K.S., 2005. A Cenozoic diffuse alkaline magmatic province (DAMP) in the southwest Pacific without rift or plume origin. Geochemistry Geophysics Geosystems, 6(1): Q02005, doi:10.1029/2004GC000723.
7. Fitzgerald P.G. & Stump E., 1997. Cretaceous and Cenozoic episodic denudation of the Transantarctic Mountains, Antarctica: new constraints from apatite fission track thermochronology in the Scott Glacier region. Journal of Geophysical Research, 102(B4), 7747-7765.
8. Hart S.R., Blusztanjn J., LeMasurier W.E. & Rex D.C., 1997. Hobbs Coast Cenozoic volcanism: Implications for the West Antarctic rift system. Chemical Geology, 139, 223-248.
9. Hole M.J. & LeMasurier W.E., 1994. Tectonic controls on the geochemical composition of Cenozoic, mafic alkaline volcanic rocks from West Antarctica. Contributions to Mineralogy and Petrology, 117, 187-202.
10. Kyle P.R., Moore J.A. & Thirlwall M.F., 1992. Petrologic evolution of anorthoclase phonolite lavas at Mount Erebus, Ross Island, Antarctica. Journal of Petrology, 33(4), 849-875.
11. Lawver L.A. & Gahagan L.M., 1994. Constraints on timing of extension in the Ross Sea region. Terra Antartica, 1, 545-552.
12. LeMasurier W.E. & Landis C.A., 1996. Mantle-plume activity recorded by low relief erosion surfaces in West Antarctica and New Zealand. Geological Society of America Bulletin, 108, 1450-1466.
13. LeMasurier W.E. & Rex D.C., 1989. Evolution of linear volcanic ranges in Marie Byrd Land, Antarctica. Journal of Geophysical Research, 94(B6), 7223-7236.
14. LeMasurier W.E. & Thomson J.W. (Editors), 1990. Volcanoes of the Antarctic Plate and Southern Oceans. Antarctic Research Series, 48. American Geophysical Union, Washington, D.C., 487 pp.
15. Lithgow-Bertelloni C. & Richards M.A., 1998. The dynamics of Cenozoic and Mesozoic plate motions. Reviews of Geophysics, 36, 27-78.
16. 4He ratios in oceanic basalts an indicator of deep-mantle plume components? Earth and Planetary Science Letters, 208, 197-204.
17. Nardini I., Armienti P., Rocchi S., Dallai L. & Harrison D., 2004. O and He constraints on the source of Cenozoic primitive magmas in West Antarctica, Goldschmidt Conference, Geochimica et Cosmochimica Acta, Copenhagen, pp. 1.2.P09, A56.
18. Panter K.S., Hart S.R., Kyle P.R., Blusztanjn J. & Wilch T.I., 2000. Geochemistry of Late Cenozoic basalts from the Crary Mountains: characterization of mantle sources in Marie Byrd Land, Antarctica. Chemical Geology, 165, 215-241.
19. Richards M.A. & Lithgow-Bertelloni C., 1996. Plate motion changes, the Hawaii-Emperor bend, and the apparent success and failure of geodynamic models. Earth and Planetary Science Letters, 137, 19-27.
20. Rocchi S., Armienti P., D'Orazio M., Tonarini S., Wijbrans J. & Di Vincenzo G., 2002a. Cenozoic magmatism in the western Ross Embayment: role of mantle plume vs. plate dynamics in the development of the West Antarctic Rift System. Journal of Geophysical Research, 107(139): 10.129/ 2001JB000515.
21. Rocchi S., Di Vincenzo G. & Armienti P., 2005. No plume, no rift magmatism in the West Antarctic rift. In: Foulger G.R., Anderson D.J., Natland J.H. & Presnall D.C. (eds.), Plates, Plumes & Paradigms. Geological Society of America Special Paper, 388, 435-447.
22. Rocchi S., Fioretti A.M. & Cavazzini G., 2002b. Petrography, geochemistry and geochronology of the Cenozoic Cape Crossfire, Cape King and No Ridge igneous complexes (northern Victoria Land, Antarctica). In: Gamble J.A., Skinner D.N.B. & Henrys S. (eds.), Proceedings of the 8th International Symposium on Antarctic Earth Sciences, Royal Society of New Zealand Bulletin, 35, 215-225.
23. Rocchi S., Storti F., Di Vincenzo G. & Rossetti F., 2003. Intraplate strike-slip tectonics as alternative to mantle plume activity for the Cenozoic rift magmatism in the Ross Sea region, Antarctica. In: Storti F., Holdsworth R.E. & F. S. (eds.), Intraplate strike-slip deformation belts. Geological Society Special Publication, London, 210, 158-171.
24. Rocholl A., Stein M., Molzahn M., Hart S.R. & Wörner G., 1995. Geochemical evolution of rift magmas by progressive tapping of a stratified mantle source beneath the Ross Sea Rift, Northern Victoria Land, Antarctica. Earth and Planetary Science Letters, 131, 207-224.
25. Rossetti F., Lisker F., Storti F. & Läufer A., 2003. Tectonic and denudational history of the Rennick Graben (northern Victoria Land): Implications for the evolution of rifting between East and West Antarctica. Tectonics, 22, doi:10.1029/2002TC001416.
26. Salvini F., Brancolini G., Busetti M., Storti F., Mazzarini F. & Coren F., 1997. Cenozoic geodynamics of the Ross Sea region, Antarctica: Crustal extension, intraplate strike-slip faulting, and tectonic inheritance. Journal of Geophysical Research, 102(B11), 24 669-24 696.
27. Salvini F. & Storti F., 1999. Cenozoic tectonic lineaments of the Terra Nova Bay region, Ross Embayment, Antarctica. Global and Planetary Change, 23, 129-144.
28. Steinberger B., Sutherland R. & O'Connell R.J., 2004. Prediction of Emperor-Hawaii seamount locations from a revised model of global plate motion and mantle flow, Nature, 430, 167-173.
29. Storey B., Leat P.T., Weaver S.D., Pankhurst R.J., Bradshaw J.D. & Kelley S., 1999. Mantle plumes and Antarctica-New Zealand rifting: evidence from mid-Cretaceous mafic dykes. Journal of the Geological Society, London, 156, 659-671.
30. Storti F., Rossetti F. & Salvini F., 2001. Structural architecture and displacement accomodation mechanisms at the termination of the Priestley Fault, northern Victoria Land, Antarctica. Tectonophysics, 341, 141-161.
31. Tonarini S., Rocchi S., Armienti P. & Innocenti F., 1997. Constraints on timing of Ross Sea rifting inferred from Cainozoic intrusions from northern Victoria Land, Antarctica. In: Ricci C.A. (ed.), The Antarctic Region: Geological Evolution and Processes, Siena, pp. 511-521.