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

• Published in: The Island Arc
• Main Authors: Arai, Shoji, Ishimaru, Satoko, Okrugin, Victor M.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2003
• Subjects: Avacha; Kamchatka
• Online Access: http://dx.doi.org/10.1046/j.1440-1738.2003.00392.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1440-1738.2003.00392.x; https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1440-1738.2003.00392.x

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...