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Updated: Aug 15, 2026

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling
Published on: August 5, 2016
Mantle discontinuity structure beneath the southern east pacific rise from P-to-S converted phases
1Y. Shen, Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA. A. F. Sheehan, K. G. Dueker, H. Gilbert, Cooperative Institute for Research in Environmental Sciences (CIRES), University of.
Abstract:
Receiver functions derived from teleseismic body waves recorded by ocean-bottom seismometers on the southern East Pacific Rise reveal shear waves converted from compressional waves at the mantle discontinuities near 410- and 660-kilometer depth. The thickness of the mantle transition zone between the two discontinuities is normal relative to the global average and indicates that upwelling beneath the southern East Pacific Rise is not associated with an excess temperature in the mantle transition zone.
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