Mathematics – Logic
Scientific paper
Feb 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011geoji.184..529s&link_type=abstract
Geophysical Journal International, Volume 184, Issue 2, pp. 529-540.
Mathematics
Logic
1
Space Geodetic Surveys, Plate Motions, Kinematics Of Crustal And Mantle Deformation, Asia
Scientific paper
The present tectonics of Northeast Asia has been extensively investigated during the last 12 yr by using GPS techniques. Nevertheless, crustal velocity field of the southeast of Russia near the northeastern boundaries of the hypothesized Amurian microplate has not been defined yet. The GPS data collected between 1997 February and 2009 April at sites of the regional geodynamic network were used to estimate the recent geodynamic activity of this area. The calculated GPS velocities indicate almost internal (between network sites) and external (with respect to the Eurasian tectonic plate) stability of the investigated region. We have not found clear evidences of any notable present-day tectonic activity of the Central Sikhote-Alin Fault as a whole. This fault is the main tectonic unit that determines the geological structure of the investigated region. The obtained results speak in favour of the existence of a few separate blocks and a more sophisticated structure of the proposed Amurian microplate in comparison with an indivisible plate approach.
Ardyukov D. G.
Bormotov V. A.
Bykov V. G.
Gerasimenko M. D.
Gerasimov G. N.
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