212 



A. M. Alekseev et al. 





Fig. 12. Map of the average intensity of the field of telluric currents (from material of 



VNII Geofizika and Zapsibenftegeofizika). The value of E at the base point is taken as 



100 arbitrary luiits. 1 — structure contours of the seismical reflecting horizon; 2 — iso- 



lines of average field intensity. 



Ill the -wooded and swampy Berezovka region, Avork was conducted along 

 the rivers, with sections being landed on the banks and the hnes unreeled 

 in the zone near the banks. 



Fig. 12 shows the results for the study of telluric currents at the Komissa- 

 rovskaya structure in comparison with the data of seismical surveys. It can 

 be seen that the known Komissarovskaya structure appears clearly on the 

 map of the average field intensity of the telluric currents ; the telluric current 

 method can therefore be recommended for surveys of similar upfolds. 



Good results were also obtained in the regional studies. Fig. 13 gives 

 a geoelectrical cross-section constructed on the resistance observations 

 of telluric currents, made for a determination of resistance values of the 

 .average field intensity at the base points (step of resistance network 30 km). 



