The article presents the application results of a set of geophysical methods to study the Kaspinsky ore cluster in the Krasnoyarsk Krai. The purpose of the study was to evaluate the efficiency of various modern methods when solving the problem of identifying the boundaries of intrusive massifs and analyzing tectonic disturbances that play a key role in the formation of gold-sulfide-quartz mineralization. The geophysical complex included unmanned magnetic exploration (SibGIS UAS complex), non-contact electric field measurement (BIKS non-contact measurement of electric field hardware complex) and electromagnetic sensing with induced polarization (Mars hardware and software complex). Magnetic exploration allowed to identify small diorite massifs of the Olkhovsky complex and their contacts with carbonate deposits, as well as to identify tectonic faults. Electrical exploration contributed to the analysis of small faults and distribution of induced polarization, which is important when searching for mineralization zones. Also, the study included a three-dimensional cascade inversion of magnetic exploration data for intrusive body localization. Conducted work resulted in the conclusion that the presented methodology is not optimal and the complex of geophysical methods is redundant. It is proposed to exclude the method of non-contact measurement of electric fields in further researches due to the small amount of useful information and interpretation problems as compared with the method of electromagnetic sensing and induced polarization. In addition, the main change in the methodology is the sequence of work stages. The data obtained as a result of the conducted research served as one of the bases for setting up drilling operations at the exploration stage.
Трофімов et al. (Thu,) studied this question.
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