DOI: https://doi.org/10.24028/gzh.0203-3100.v37i5.2015.111163

Geoelectric studies of the Belgorod-Sumy megablock of the northern slope of the Dnieper-Donets Trough

B. Shirkov, O. Perestyuk, A. Kushnir

Abstract


Processing of long-term Earth’s electromagnetic field observations was performed using two software systems (PRC_MTMV and PTS), frequency distribution of the amplitude and phase of impedance, apparent resistivity, horizontal components of the magnetic tensor and tipper were obtained. Minimum on the descending part of ρk curves according to the results of a qualitative assessment corresponds to the conductor at a depth of 50—150 km.


Keywords


magnetotelluric sounding; magnetovariational profiling; the Dnieper-Donets Trough

References


Belyavskyy V. V Burahovych T. K., Kulik S. N, Suhoy V. V., 2001. Electromagnetic Methods in the Study Ukrainian Shield and the Dnieper-Donets Trough. Kyiv: Znannya.

Burahovych T. K., Kulik S. N., 2007. Three-dimensional model Kyrovohradskoy anomaly conductivity. Geophysical Journal 29 (1), 45—55.

Varentsov I. M., Gordienko V. V., Zavgorodskaya O. V., Kovachikova S., Logvinov I. M., Tarasov V. N., Tregubenko V. I. The slope of the Voronezh crystalline massif (geophysics, deep processes). Monograph. — Kyiv: Logos, 2013, 112 p.

Geiko V. S., Tsvetkov T. A., Shymlanskaya L. A. and etc., 2005. Three-dimensional velocity model of the upper mantle of Sarmatia (south-west). Geophysical Journal 27 (6), 927—939.

Gordienko V. V., Gordienko I. V., Zavgorodnyaya O. V., Kovachikova S., Logvinov I. M., Peck J., Tarasov V. N., Usenko O. V., 2006. The Dnieper-Donets Trough (geophysics, deep processes) — Kyiv: Korv³n press. 144 p.

Perestiuk O. V., Kushnir A. M., Shirkov B. ²., 2015. MTMO study of the northern slope the Dnieper-Donets Trough. Conference materials «Geoinformatics — Theoretical and Applied Aspects»: Kyiv, 11—14 May.

Semenov V. Y., 1985. Data processing magnetotelluric sounding. Moscow: Nedra, 133 p.

Schuman V. N., Savin M. G., 2011. Mathematical models geoelectrics. Kyiv: Naukova Dumka, Kiev.

Varentsov I. M., 2007. Arrays of simultaneous EM soundings: design, data processing and analysis. EM sounding of the Earth’s interior (Methods in geochemistry and geophysics, 40). New York: Elsevier, 263—277.