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Tectonics of the drake Passage-Scotia sea zone in the southern ocean |
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| Authors: | G. B. Udintsev N. A. Kurentsova A. F. Beresnev A. V. Kol’tsova L. G. Domoratskaya G. V. Schenke V. G. Bakhmutov V. D. Solov’ev |
| Affiliation: | 1. Vernadsky Institute for Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, Russia 2. Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany 3. Institute of Geophysics, National Academy of Sciences of Ukraine, Kiev, Ukraine |
| Abstract: | The relief and geophysical characteristics of the sea floor in the Drake Passage-Scotia Sea zone have been studied quite well in general. The oceanic floor within this zone is usually considered as a collage of small fragments of the continental bridge and of young oceanic plates formed by spreading under the large-scale motions of large lithospheric plates. The authors suppose an alternative version of the genesis of the Drake Passage-Scotia Sea lithospheric zone as an area of large fragments of the continental bridge subjected to basification under the conditions of temperate extension and local rifting. |
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