The Results of Numerical Simulation of the Electromagnetic Field Within the Voronezh Crystalline Massif and its Framing
On the territory of the Voronezh crystalline massif the results of numerical simulation of the electromagnetic field are obtained. The resistivity curves contain information on regional changes in the conductivity of the sedimentary cover of the VKM and adjacent structures. Areas of minimum and maximum values are identified, as well as the character of the change in the apparent resistance along different profiles, secant structures. The estimation of galvanic and induction distortions of apparent resistance curves in different VCM zones is given. Attention should be paid to the large errors in the interpretation of the experimental MTZ curves within the framework of one-dimensional models, especially in the central part of the BКM. Therefore, it is necessary to take into account the two-dimensional distribution of conductivity in the structures of VCM, RSP and DDV in interpreting the MTZ curves.
KeywordsVoronezh crystalline massif (VCM) Numerical simulation of electromagnetic fields Apparent resistivity curves The total conductivity of sedimentary cover
Work performed under the grant RFBR 16-05-00975a.
- Gruzdev, V. (2012). Electrical conductivity of the territory of the VKM and adjacent regions. Lithosphere of the Voronezh crystal massif by geophysical and petrophysical data: monograph. Voronezh “Scientific Book”, pp. 74–138.Google Scholar
- Zakutsky, S. (1984). On the results of magnetotelluric sounding on the Voronezh crystalline massif. Korovye anomalies of electrical conductivity. - L., pp. 90–100.Google Scholar