Melting and Multi-stage Metasomatism in the Mantle Wedge beneath a Frontal Arc Inferred from Highly Depleted Peridotite Xenoliths from the Avacha Volcano, Southern Kamchatka

Ishimaru, Satoko; Arai, Shoji; Ishida, Y.; Shirasaka, M.; M. Okrugin, Victor

doi:10.1093/petrology/egl065

Public

Melting and Multi-stage Metasomatism in the Mantle Wedge beneath a Frontal Arc Inferred from Highly Depleted Peridotite Xenoliths from the Avacha Volcano, Southern Kamchatka

Published in Journal of Petrology • Nov 13, 2006

Authors:

Satoko Ishimaru

Shoji Arai

Y. Ishida

Abstract

Peridotite xenoliths from the Avacha volcano, Kamchatka, derived from the mantle beneath the volcanic front of the Kamchatka arc, are mainly highly depleted clinopyroxene-poor harzburgites with highly forsteritic olivine (Fo 90^92) and high Cr-number spinel (05^07). The Avacha peridotites have exper...

Subject

Metasomatism

Peridotite

Geology

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