Metasomatized harzburgite xenoliths from Avacha volcano as fragments of mantle wedge of the Kamchatka arc: Implication for the metasomatic agent

Arai, Shoji; Ishimaru, Satoko; M. Okrugin, Victor

doi:10.1046/j.1440-1738.2003.00392.x

Public

Metasomatized harzburgite xenoliths from Avacha volcano as fragments of mantle wedge of the Kamchatka arc: Implication for the metasomatic agent

Published in Island Arc • May 22, 2003

Authors:

Shoji Arai

Satoko Ishimaru

Victor M. Okrugin

Abstract

Abstract Abundant peridotite xenoliths have been found in pyroclasitics of Avacha (Avachinsky) volcano, the south Kamchatka arc, Russia. They are mostly refractory harzburgite with or without clinopyroxene: the Fo of olivine and Cr/(Cr + Al) atomic ratio of spinel range from 91 to 92 and from 0.5 to...

Subject

Metasomatism

Peridotite

Geology

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