Electromagnetic soundings of the sedimentary cover and consolidated crust in the transition zone from the Moscow syneclise to the Voronezh anteclise: Problems and prospects

The methods and results of electromagnetic soundings (EMS) performed in the transition zone from the Moscow syneclise to the Voronezh anteclise in the vicinity of the MSU geophysical base are considered. This base is located in the village of Aleksandrovka in the Yukhnov district of Kaluga area. The...

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Published inIzvestiya. Physics of the solid earth Vol. 46; no. 8; pp. 707 - 716
Main Authors Aleksanova, E. D., Varentsov, Iv. M., Vereshchagina, M. I., Kulikov, V. A., Pushkarev, P. Yu, Sokolova, E. Yu, Shustov, N. L., Khmelevskoi, V. K., Yakovlev, A. G.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.08.2010
Springer Nature B.V
Subjects
Earth and Environmental Science
Earth Sciences
Electromagnetics
Geophysics
Geophysics/Geodesy
Petrology
Research methodology
Sedimentary geology
Russia
Solid Earth
Apparent Resistivity
Sedimentary Cover
Vertical Electric Sound
Magneto Telluric
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Summary:The methods and results of electromagnetic soundings (EMS) performed in the transition zone from the Moscow syneclise to the Voronezh anteclise in the vicinity of the MSU geophysical base are considered. This base is located in the village of Aleksandrovka in the Yukhnov district of Kaluga area. The composite EMS curves characterizing rock complexes composing the sedimentary cover are constructed, and changes in these complexes within the specified transition zone are traced. The standard curves of magnetotelluric (MT) and magnetovariational (MV) soundings are constructed from the results of long-term measurements at the ALX observation point located at the Moscow State University’s (MSU) geophysical base. The maps of thickness and total longitudinal conductance of the sedimentary cover are constructed from the results of interpretation of MT data obtained in the region. A conductor in the consolidated Earth’s crust is identified within the Voronezh anteclise. Prospects for further investigations of the region are associated with the tracing of the crustal conductor within the Voronezh anteclise, as well as with the organization of an observatory at the MSU’s geophysical base in order to perform long-term measurements of the electromagnetic (EM) and other geophysical fields.
ISSN:1069-3513
1555-6506
DOI:10.1134/S1069351310080070