Magmatism of the submarine Vityaz Ridge (Pacific slope of the Kuril Island Arc)

被引：10
|
作者：
Lelikov, E. P. [1 ]
Emel'yanova, T. A. [1 ]
Baranov, B. V. [2 ]
机构：
[1] Russian Acad Sci, Ilichev Pacific Oceanol Inst, Far E Div, Vladivostok 690022, Russia
[2] Russian Acad Sci, PP Shirshov Oceanol Inst, Moscow, Russia
来源：
OCEANOLOGY | 2008年 / 48卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
Eocene; Pliocene; Oligocene; Late Cretaceous; Frontal Zone;
D O I：
10.1134/S0001437008020112
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
Original results of igneous rock studies are presented. The rocks were dredged during a marine expedition (cruise 37 of R/V Akademik M.A. Lavrent'ev in August-September, 2005) in the region of the submarine Vityaz Ridge and Kuril Arc outer slope. Several age complexes (Late Cretaceous, Eocene, Late Oligocene, Miocene, and Pliocene-Pleistocene) are recognizable on the Vityaz Ridge. These complexes are characterized by a number of common geochemical features since all of them represent the formations of island arc calc-alkali series. At the same time, they also have individual features reflecting different geodynamic settings. The outer slope of the Kuril Arc demonstrates submarine volcanism. The Pliocene-Pleistocene volcanic rocks dredged here are similar to the volcanites of the Kuril-Kamchatka Arc frontal zone.
引用
收藏
页码：239 / 249
页数：11
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