Strati cation of Anisotropy in the Paci c Upper Mantle Daniel

Abstract

Based on the use of broad-band (25 sec 150 sec) Rayleigh wave group speeds to estimate the 2 component of azimuthal anisotropy, we present evidence for a strati cation of anisotropy in the uppermost mantle at large-scales across the Paci c basin. We con rm previous surface wave studies that established that the fast-axis directions of azimuthal anisotropy… (More)

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