Rotation parameters of the Siberian domain and its eastern surrounding structures during different geological epochsстатья
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Дата последнего поиска статьи во внешних источниках: 12 декабря 2016 г.
Аннотация:The motion of lithospheric blocks was analyzed in the junction zone between the Eurasian Plate
and its surrounding structures. Its presentday stage was considered using GPS and seismologic data. Models
of the movement of a rigid plate are considered for Eurasia. A model of Eurasia (northern part of Asia) was
used to determine the rotation parameters of its southern periphery (Amur Plate) based on GPS data for the
Far East (Sikhote Alin profile), and Transbaikal regions are shown as an example. A model of the Amur Plate
was used to illustrate the behavior of the extension zone on its western boundary represented by the Lake
Baikal depression during the Kultuk earthquake (M = 6.3, August, 27, 2008). Paleomagnetic data made it
possible to determine the rotation pole of the Siberian Craton relative to its surrounding folded structures
during the Mesozoic and to estimate its kinematic parameters. The permanent position of the rotation pole
in the relative coordinate system since the terminal Paleozoic until the Recent indicates a constant rotation
velocity of the Siberian domain within the Eurasian Plate structure.