Arc-basaltic melts of typical hydration state (≥ 2 wt% H 2 O) are buoyant relative to all
common crustal igneous rock types and may pass adiabatically from a mantle source …

Geochemically fingerprinted widespread tephra layers serve as excellent marker horizons
which can directly link and synchronize disparate sedimentary archives and be used for …

The Kamchatka arc (Russia) is located in the northwestern Pacific Ocean and is divided into
three segments by major sub-latitudinal fault zones (crustal discontinuities). The southern …

The role of the subducting lithospheric slab in the genesis of mantle-derived (primitive)
magmas is investigated through a study of volcanic rocks formed in the tectonically strike …

224 ALONG-STRIKE VARIATION IN THE ALEUTIANS proxy for an aqueous fluid component
derived from subducted basalt. Ce/Pb> 4 is common in Aleutian lavas west of 174 W, in …

Phenocryst zoning patterns are used to identify open-system magmatic processes in the
products of the 2001 eruption of Shiveluch Volcano, Kamchatka. The lavas and pumices …

Major and trace element and Sr–Nd–Pb isotopic variations in mafic volcanic rocks hve been
studied in a 220 km transect across the Kamchatka arc from the Eastern Volcanic Front, over …

Published areas of high coseismic slip, or asperities, for 29 of the largest Circum‐Pacific
megathrust earthquakes are compared to forearc structure revealed by satellite free‐air …

GPS measurements of interseismic horizontal surface velocities reveal the degree of
kinematic coupling of the plate boundary thrust along the Kamchatka subduction zone from …

Geochemical characteristics of arc magmas reflect incorporation of subducted materials to
their mantle wedge sources in subduction zones. Subduction component addition has been …