International scientific journal

ISSN: 2663-0419 (electronic version)

ISSN: 2218-8754 (print version)

International scientific journal

ISSN: 2663-0419 (electronic version)

ISSN: 2218-8754 (print version)

SCImago Journal & Country Rank

Advanced analysis of self-potential data in ore deposits of the South Caucasus

Eppelbaum L.V.

Dept. of Geophysics, School of Earth Sciences, Faculty of Exact Sciences, Tel Aviv University Ramat Aviv, Tel Aviv, 6997801, Israel:


Self-potential (SP) method is one of the most non-expensive and unsophisticated geophysical methods. However, its application limits absence of reliable interpreting methodology, first for the complex geological-environmental conditions. The typical disturbances appearing in the SP method and ways for their removing (elimination) are discussed. Some brief review of the available interpretation methods indicates their insufficient effectivity, especially for complex environments. For the magnetic method of geophysical prospecting have been recently developed special quantitative procedures applicable under complicated environments (oblique polarization, rugged relief and unknown level of the normal field). Performed analysis allowed to revealing some essential common peculiarities of magnetic and SP fields. These common aspects make it possible to apply the procedures developed in magnetic prospecting to SP method. Besides the reliable determination of the depth of anomalous target, these methodologies enable to introduce cor-rections for the polarization effect and non-horizontal SP observations. For classification of SP-anomalies is supposed to employ a new parameter – ‘self-potential moment’. These procedures (improved modifications of characteristic point and tangent techniques) have been successfully tested both on SP models and in real situations in ore deposits in Turkey and Russia. Finally, inter-pretation procedures have been effectively applied at several ore deposits in the South Caucasus (Filizchai and Katsdag in Azerbaijan and Uchambo in Georgia). An effectiveness of multimodel approach with application of gravity, magnetic and SP methods is demonstrated on the generalized physico-geological model of ore body of Filizchai type. The obtained results indicate the high practical importance of the developed methodology.

Keywords: self-potential method, disturbances, quantitative analysis, complex physical-geological environments, self-potential moment, ore targets



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DOI: 10.33677/ggianas20190200029