DOI: 
10.22389/0016-7126-2022-981-3-23-34
1 Sharoglazova G.A.
2 Korovkin V.N.
3 Dolhi P.S.
Year: 
№: 
981
Pages: 
23–34

Polotsk State University

1, 
2, 
3, 
Abstract:
The article deals with geodynamic studies of Belarus territory, belonging to the Eastern European platform. Actual cosmotectonic map of the country is presented. The tectonic movements of Belarus are complex, due to the inherited movements’ manifestation in combination with the latest ones caused by internal stresses restructuring in the Earth’s interior and cosmic influences. Combined with man-made factors, this may increase to a dangerous level of tectonic faults deformation, especially with weak waterlogged grounds of the area. The necessity of a comprehensive approach of various specialists in Earth Sciences at all geodynamic research stages is shown. The results of long-term geodetic monitoring of two deep active tectonic faults in Belarus are analyzed: mining-free super-regional Polotsk, and regional Rechitsa, associated with hydrocarbon deposits, including the actively developed Rechitsa oil field. The results of 11-cycled precise leveling and 7-cycled high-precision GNSS-measurements for Polotsk fault monitoring, arranged with the geodesists, geologists and geophysicists participation are characterized by annual velocity within first millimeters and did not confirm the conclusion on a super-intensive Earth’s crust deformation or “the paradox of high speeds” in the tectonic faults of platform areas. The “super-intensive deformations” up to 20 mm/year along Rechitsa fault may be “induced” by technogenic or other non-tectonic causes. However, we should recognize that the geodetic data from Rechitsa fault is unique in its area coverage, network structure, levelling benchmarks density and repeated measurements frequency terms. There is a reason to return to that material and analyze it thoroughly with the geodesists engaged in geodynamic research participation.
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Citation:
Sharoglazova G.A., 
Korovkin V.N., 
Dolhi P.S., 
(2022) Methodology and results of instrumental geodynamic research on Polotsk tectonic fault site not confirming the high-velocity paradox. Geodesy and cartography = Geodezia i Kartografia, 83(3), pp. 23–34. (In Russian). DOI: 10.22389/0016-7126-2022-981-3-23-34
Publication History
Received: 13.07.2020
Accepted: 28.02.2022
Published: 20.04.2022

Content

2022 March DOI:
10.22389/0016-7126-2022-981-3

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