Kinematics of recent tectonic motions in the east of the Mongol-Okhotsk Fold Belt

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• 作者：V.S. Zhizherin ; ^{votarist@ascnet.ru} ; M.A. Serov
• 关键词：modern geodynamics ; GPS geodesy ; crustal deformations ; Mongol-Okhotsk Fold Belt
• 刊名：Russian Geology and Geophysics
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：57
• 期：12
• 页码：1688-1695
• 全文大小：840 K
• 卷排序：57

文摘

We present the first data of GPS measurements on recent motions in the east of the Mongol-Okhotsk Fold Belt. Processing of GPS data yielded a vector field of the velocities of observation point displacements in the geodynamic network of the Upper Amur region. Comprehensive analysis of geological and geophysical data and the estimated velocities of site displacements in this network have shown kinematic heterogeneity of the present-day Mongol-Okhotsk Fold Belt and an intricate deformation pattern there. The tectonic regime within the belt permits considering it a buffer or transit zone, where tectonic stresses arise as a result of the different kinematics of the surrounding tectonic structures.