Seismic detection of folded, subducted lithosphere at the core–mantle boundary

Alexander R. Hutko (), Thorne Lay, Edward J. Garnero and Justin Revenaugh
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Alexander R. Hutko: University of California Santa Cruz
Thorne Lay: University of California Santa Cruz
Edward J. Garnero: Arizona State University
Justin Revenaugh: University of Minnesota

Nature, 2006, vol. 441, issue 7091, 333-336

Abstract: Seismic tomography of the D″ region beneath the Caribbean reveals a 100-km vertical step in an otherwise flat D″ shear velocity discontinuity and localized low velocities at the edge of the slab material, which may involve upwellings caused by the slab laterally displacing a thin hot thermal boundary layer.

Date: 2006
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DOI: 10.1038/nature04757

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