Fragments of Cretaceous seamounts in accretionary structure of the Kamchatsky Mys Peninsuls (Kamchatka, Russia).

Savelyev, D., Savelyeva, O. and Portnyagin, Maxim (2016) Fragments of Cretaceous seamounts in accretionary structure of the Kamchatsky Mys Peninsuls (Kamchatka, Russia). Open Access In: Abstracts volume 9th Biennial Workshop on Japan-Kamchatka-Alaska Subduction Processes (JKASP 2016). . University of Alaska Fairbanks, Geophysical Institute, Fairbanks, pp. 83-84.

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Abstract

The geological structure of the Kamchatsky Mys peninsula is determined by its position at the junction of major structures in the NW Pacific - the Kuril-Kamchatka island arc, Aleutian island arc and submarine Emperor Ridge. The southern part of the peninsula is composed by the accretionary prism of the Kronotsky paleoarc (Khotin and Shapiro, 2006). A significant part of the accretionary complex is comprised by rocks of ophiolite association, namely mantle peridotites, gabbro, dolerites, basalts, hyaloclastites, jaspers and limestones. Our many-year studies showed that some Cretaceous volcanic and sedimentary rocks of the ophiolite complex can represent fragments of an intraplate seamount, which could belong to the Emperor Ridge...

Document Type: Book chapter
Keywords: Cretaceous Seamounts, Accretionary Structure, Kamchatsky Mys Peninsula, Kamchatka, Russia
Research affiliation: OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-MUHS
Date Deposited: 01 Dec 2016 13:51
Last Modified: 01 Dec 2016 13:51
URI: http://oceanrep.geomar.de/id/eprint/34583

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