NDLI: Structure of the South Powell Ridge (NE Antarctic Peninsula): new clues for changing tectonic regimes near the Scotia/Antarctica Plate boundary

Content Provider	Semantic Scholar
Author	Balanyá, Juan Carlos Galindo-Zaldívar, Jesús Jabaloy, A. Leitchenkov, German L. Maldonado, Amir Rodríguez-Fernández, Jonathan Vinnikovskaya, O.
Copyright Year	1998
Abstract	The structure of the South Powell Ridge (SPR), separating the Late Cenozoic ocean-floored Powell Basin and the Mesozoic Weddell Sea domain, is revealed by multichannel seismic data. The SPR appears as a basement high, bounded northward by transtensional faults and by normal and major reverse faults to the south. These margin features seem to be linked to the Powell Basin southern strike-slip margin and to the Jane Arc paleotrench, respectively. We suggest the ridge evolved from the Antarctic Peninsula passive margin to become the deformational front of the Scotia/Antarctica Plate boundary, later being welded to the Antarctic Plate.
Starting Page	215
Ending Page	224
Page Count	10
File Format	PDF HTM / HTML
DOI	10.1007/s003670050071
Volume Number	18
Alternate Webpage(s)	http://hera.ugr.es/doi/15005227.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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