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Please use this identifier to cite or link to this item: http://hdl.handle.net/1813/5287
Title: Geophysical evidence for lithospheric delamination beneath the Alboran Sea and Rif-Betic mountains
Authors: Seber, D.
Barazangi, M.
Ibenbrahim, A.
Demnati, A.
Keywords: Lithospheric delamination
Morocco
Atlas Mountains
Rif Mountains
Alboran Sea
Seismology
Issue Date: 1996
Publisher: Nature Publishing Group
Citation: Nature, vol. 379, p. 785-790, 1996
Abstract: Geophysical evidence is presented for an episode of active delamination of a piece of continental lithosphere. Observations of earthquake hypocentre locations, seismic wave velocities and attenuation, Bouguer gravity, seismic reflection, and drill hole data are combined with surface geology to infer the presence of a high-velocity, seismically active, rigid body in the upper mantle beneath the Alboran Sea and surrounding Betic and Rif mountain belts of the western Mediterranean region. This upper-mantle body, inferred to be the delaminating continental lithosphere, is overlain by a low-velocity, aseismic and strongly attenuating uppermost mantle, inferred to be the asthenospheric material replacing the delaminating lithosphere.
Description: This paper was published in Nature by the Nature Publishing Group (NPG), and NPG retains the copyright. See also: http://www.nature.com/nature/journal/v379/n6568/abs/379785a0.html; http://atlas.geo.cornell.edu/morocco/publications/seber1996Nature.htm
URI: http://hdl.handle.net/1813/5287
ISSN: 0028-0836
Appears in Collections:Prof. Muawia Barazangi
Middle East and North Africa Region Projects

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