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Crustal thinning in the Southwestern Iberia Margin

AuthorsGonzález, A. ; Torné, Montserrat ; Córdoba, Diego ; Vidal, Neus; Matias, L.; Diaz, J.
Issue Date1996
PublisherAmerican Geophysical Union
CitationGeophysical Research Letters 23: 2477- 2480 (1996)
AbstractThe mode of crustal thinning in the southwestern margin of the Iberian Peninsula is investigated along a transect that extends from onshore Iberia to the eastern end of the Horseshoe Abyssal Plain. On onshore areas, the crustal structure has been deduced using wide-angle seismic reflection data, whereas offshore we have used coincident steep and wide-angle reflection data along a NE-SW oriented seismic profile that extends from Cape San Vicente to the Horseshoe Abyssal Plain. In addition, 2D gravity modelling has been performed to validate the crustal structure deduced from seismic data. Our model results reveal that the crust undergoes a strong but continuous thinning from 31 km onshore Iberia to less than 15 km in the Horseshoe Abyssal Plain and that thinning occurs over horizontal distances of about 120km. Copyright 1996 by the American Geophysical Union.
Publisher version (URL)http://dx.doi.org/10.1029/96GL02299
Identifiersdoi: 10.1029/96GL02299
issn: 0094-8276
Appears in Collections:(ICTJA) Artículos
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