Evaluation of present-day deformations in the Amurian Plate and its surroundings, based on GPS data

被引：16

作者：

Ashurkov, S. V. ^{[1
,6
]}

San'kov, V. A. ^{[1
,7
]}

Serov, M. A. ^{[2
]}

Luk'yanov, P. Yu. ^{[3
]}

Grib, N. N. ^{[4
]}

Bordonskii, G. S. ^{[3
]}

Dembelov, M. G. ^{[5
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Inst Earths Crust, Ul Lermontova 128, Irkutsk 664033, Russia

[2] Russian Acad Sci, Far East Branch, Inst Environm & Nat Management, Ul B Khmelnitskogo 2, Blagoveshchensk 675000, Russia

[3] Russian Acad Sci, Siberian Branch, Inst Nat Resources Environm & Geocryol, Ul Butina 26, Chita 672000, Russia

[4] Filial Amosov North Eastern Fed Univ, Tech Inst, Ul Yuzhno Yakutskaya 23, Neryungri 678960, Russia

[5] Russian Acad Sci, Siberian Branch, Inst Phys Mat Sci, Ul Sakhiyanovoi 6, Ulan Ude 670047, Russia

[6] Russian Acad Sci, Siberian Branch, Inst Diamond & Precious Met Geol, Pr Lenina 39, Yakutsk 677980, Russia

[7] Irkutsk State Univ, Ul K Marksa 1, Irkutsk 664003, Russia

来源：

RUSSIAN GEOLOGY AND GEOPHYSICS | 2016年 / 57卷 / 11期

基金：

俄罗斯科学基金会;

关键词：

present-day crustal movements; crustal deformations; GPS measurements; Amurian Plate; BAIKAL RIFT-ZONE; CRUSTAL DEFORMATION; SYSTEM; FIELD; GEODYNAMICS; CONSTRAINTS; TECTONICS; EVOLUTION; FAULTS; MOTION;

D O I：

10.1016/j.rgg.2016.10.008

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We analyze recent crustal movements, based on data of GPS measurements on the Amurian Plate and its margins. Most of the velocities were borrowed from scientific publications. Also, our new and updated data of periodic and permanent GPS observations are presented. A continuous field of strain rates has been constructed using the combined field of movement velocities. Dilatation rates and the directions and values of the main strain axes have been calculated. We have made a quantitative estimation of the maximum shear rates and their directions. Zones of background deformations in the inner part of the Amurian Plate have been revealed along with high-strain zones. Zones with intense tectonic activity, corresponding to areas of reduced lithosphere, often show manifestations of Late Cenozoic volcanism. Part of them can be interpreted as the present-day boundaries of intracontinental geoblocks and small lithospheric plates. (C) 2016, V.S. Sobolev IGM, Siberian Branch of the RAS. Published by Elsevier B.V. All rights reserved.

引用

页码：1626 / 1634

页数：9

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