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Journal of Mining Sciences

2013 year, number 3

Development of Electrical Tomography Examination of Mineral Deposits with Complicated Geological and Mining Conditions

I. YU. RASSKAZOV1, G. N. SHKABARNYA2, N. G. SHKABARNYA1
1Institute of Mining, Far East Branch, Russian Academy of Sciences, ul. Turgeneva 51, Khabarovsk, 680000 Russia
2Far East Federal University, ul. Sukhanova 8, Vladivostok, 690950 Russia
Keywords: electrical tomography, resistivity method, mathematical modeling, geoelectrical profiles, lignite coal field

Abstract

The options of electrical tomography in studying complex-structure geological profiles in coal deposits are examined using mathematical modeling of electrical fields in nonuniform media. The modeling results show regular patterns of electrical fields distribution, which are used to interpret in situ data to build background models aimed at defining shape, size, occurrence conditions and physical properties of mineral deposits in weak-differentiated media. The study is illustrated by experimental research conducted on a lignite coal field.