Geochemistry of the Davis and Aurora Banks: Possible implications on evolution of the North Scotia Ridge

Marine Geology

Volumn 268, Issue 1-4, 2010, Pages 106-114

  Pandey, Anju ^a   Parson, Lindsay ^a   Milton, Andy ^a  

^a NATIONAL OCEANOGRAPHY CENTRE   (United Kingdom)

Author keywords

Aurora Bank; Davis Bank; geochemistry; North Scotia Ridge

Indexed keywords

AURORA BANK; COMPARATIVE STUDIES; GEOCHEMICAL ANALYSIS; GEOCHEMICAL DATA; GEODYNAMIC MODELS; ISLAND ARC; JURASSIC; MAJOR AND TRACE ELEMENTS; MANTLE WEDGE; PALEOGENE; PATAGONIA; PETROGENESIS; REGIONAL TECTONICS; SCOTIA SEA; SOUTH AMERICA; SOUTH GEORGIA; SUBDUCTION ZONE MAGMAS; SUBDUCTION ZONES; VOLCANICS;

CAVITY RESONATORS; TECTONICS; TRACE ELEMENTS; VOLCANIC ROCKS;

ANALYTICAL GEOCHEMISTRY;

CALC ALKALINE ROCK; GEOCHEMISTRY; GEODYNAMICS; MAGMA; PETROGENESIS; SUBDUCTION ZONE; TECTONICS; TRACE METAL; VOLCANIC ROCK;

ATLANTIC OCEAN; SCOTIA RIDGE;

EID: 72649083535     PISSN: 00253227     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.margeo.2009.10.025     Document Type: Article

References (35)

1. Barker P.F. A spreading centre in the east Scotia Sea. Earth and Planetary Science Letter 15 (1972) 123-132
2. Barker P.F. Tectonic framework of the east Scotia Sea. In: Taylor B. (Ed). Tectonics and Magmatism in Back arc Basins (1995), Springer, New York 281-314
3. Barker P.F. Scotia Sea regional tectonic evolution: implications for mantle flow and paleocirculation. Earth Science Reviews 55 (2001) 1-39
4. Barker P.F., and Burrell J. The opening of Drake Passage. Marine Geology 25 (1977) 15-34
5. Cande S.C., and Kent D.L. Revised calibration of the geomagnetic polarity timescale for the Late Cretaceous and Cenozoic. Journal of Geophysical Research 100 (1995) 6093-6095
6. Cunningham, A. P., 1998. Geophysical investigations of the North Scotia Ridge. Ph.D. thesis, Univ. of London, London, UK.
7. Cunningham A.P., Barker P.F., and Tomlinson J.S. Tectonics and sedimentary environment of the North Scotia Ridge region revealed by side-scan sonar. Journal of Geological Society of London 155 (1998) 941-956
8. Diraison M., Cobbold P.R., Gapais D., Rosello E.A., and Le Corre C. Cenozoic crustal thickening, wrenching and rifting in the foothills of the southernmost Andes. Tectonophysics 316 (2000) 91-119
9. Eagles G. Plate tectonics of the Antarctic-Phoenix plate system since 15 Ma. Earth and Planetary Science Letters 88 (2003) 289-307
10. Eagles G., Livermore A.R., Fairhead J.D., and Morris P. Tectonic evolution of the west Scotia Sea. Journal of Geophysical Research 110 (2005) B02401 10.1029/2004JB003154
11. Eagles G., Livermore R., and Morris P. Small basins in the Scotia Sea: the Eocene Drake Passage gateway. Earth and Planetary Science Letters 242 (2006) 343-353
12. German C.R., Livermore R.A., Baker E.T., Bruguier N.I., Connelly D.P., Cunningham A.P., Morris P., Rouse I.P., Statham P.J., and Tyler P.A. Hydrothermal plumes above the east Scotia Ridge: an isolated high-latitude back-arc spreading centre. Earth and Planetary Science Letters 184 (2000) 241-250
13. Heywood K.J., Naveira Garaboto A.C., and Stevens D.P. High mixing rates in the abyssal Southern Ocean. Nature 415 (2002) 1011-1014
14. Lagabrielle Y., Goddéris Y., Donnadieu Y., Malavieille J., and Suarez M. The tectonic history of Drake Passage and its possible impacts on global climate. Earth and Planetary Science Letters 279 (2009) 197-211
15. Lawver L.A., Gahagan L.M., and Coffin M.L. The development of paleoseaways around Antarctica. Antarctic Research Series 56 (1992) 7-30
16. Lawver L.A., and Gahagan L.M. Evolution of Cenozoic seaways in the circum-Antarctic region. Palaeogeography Palaeoclimatology Palaeoecology 198 (2003) 11-37
17. Livermore R., Nankivell A., Eagles G., and Morris P. Paleogene opening of Drake Passage. Earth and Planetary Science Letters 236 (2005) 459-470
18. Livermore R.A., Eagles G., Morris P., and Maldonado A. Shackleton Fracture Zone: no barrier to early circumpolar ocean circulation. Geology 32 (2004) 797-800
19. Ludwig W.J., and Rabinowitz P.D. The collision complex of the North Scotia Ridge. Journal of Geophysical Research 87 (1982) 3731-3740
20. McDonough W.F., and Sun S.S. The composition of the Earth. Chemical Geology 120 (1995) 223-253
21. 2O. Earth and Planetary Science Letters 131 (1995) 301-320
22. Miller C.A., Barton M., Hanson R.E., and Fleming T.H. An Early Cretaceous volcanic arc/marginal basin transition zone, Peninsula Hardy, southernmost Chile. Journal of Volcanology and Geothermal Research 63 (1994) 33-58
23. Pankhurst R.J., and Rapela C.W. Production of Jurassic rhyolite by anatexis in the lower crust of Patagonia. Earth and Planetary Science Letters 134 (1995) 23-36
24. Pankhurst R.J., Leat P.T., Sruoga P., Rapela C.W., Marquez M., Storey B.C., and Riley T.R. The Chon Aike Province of Patagonia and related rocks in West Antarctica: a silicic large igneous province. Journal of Volcanology and Geothermal Research 81 (1998) 113-136
25. Parada M.A., Lahsen A., and Palacios C. Ages and geochemistry of Mesozoic-Eocene back-arc volcanic rocks in the Aysén region of the Patagonian Andes, Chile. Revista geológica de Chile 28 (2001) 1 10.4067/S0716-02082001000100002
26. Pearce J.A., and Cann J.R. Tectonic setting of basic volcanic rocks determined using trace element analyses. Earth and Planetary Science Letters 19 (1973) 290-300
27. Pearce J.A., and Peate D.W. Tectonic implications of the composition of volcanic arc magmas. Annual Review Earth and Planetary Science Letters 23 (1995) 251-285
28. Pearce J.A., Baker P.E., Harvey P.K., and Luff I.W. Geochemical evidence for subduction fluxes, mantle melting and fractional crystallisation beneath the South Sandwich Island arc. Journal of Petrology 36 (1995) 1073-1109
29. Peccerillo A., and Taylor S.R. Geochemistry of Eocene calc-alkaline volcanic rocks from the Kastamonu Area, northern Turkey. Contributions to Mineralogy and Petrology 58 (1976) 63-81
30. Sigmarsson O., Martin H., and Knowles J. Melting of a subducting oceanic crust from U-Th disequilibria in Austral Andean lavas. Nature 394 (1998) 566-569
31. Stern C.R., and Kilian R. Role of the subducted slab, mantle wedge and continental crust in the generation of adakites from the Andean Austral Volcanic Zone. Contributions to Mineralogy and Petrology 123 (1996) 263-281
32. Storey B.C., and Tanner P.W.G. Geochemistry of Mesozoic Island arc assemblage and ocean floor basalts from South Georgia. British Antarctic Survey Bulletin 56 (1982) 7-24
33. Suarez M., and Pettigrew T.H. An upper Mesozoic island-arc-back-arc system in the southern Andes and South Georgia. Geological Magazine 113 (1976) 305-328
34. Suarez M.D., Herve M.A., and Puig A.G. Hoja Isla Hoste E Islas Adyacentes. Carta Geologica De Chile 65 (1985) 113p
35. Yogodzinski G.M., Lees J.M., Churikova T.G., Dorendorf F., Woerner G., and Volynets O.N. Geochemical evidence for the melting of subducting oceanic lithosphere at plate edges. Nature 409 (2001) 500-503