Petrophysical zoning of the Natalka ore field |
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| Authors: | V M Sharafutdinov I M Khasanov T I Mikhalitsyna |
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| Institution: | (1) Northeastern Complex Research Institute, Far East Branch, Russian Academy of Sciences, Magadan, Russia |
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| Abstract: | The petrophysical properties of 1168 rock and ore samples collected across the sections of the Natalka ore field have been determined. 235 of them were prepared as thin and polished sections and studied by geological-mineralogical methods. The general two-level petrophysical zoning of the ore field was established and substantiated. Its relations with ore areas, the interzonal space, altered wall rocks, and the mineral composition were determined. Both levels of the revealed petrophysical zoning are traced in the ore field over 4 km along the strike and 800 m down the dip. The subvertical conductivity zone (confined to the Omchak ore cluster) has spatial-genetic relations with the petrophysical changes, which reflect the established mineralogical composition and structure of the metasomatites and ores. |
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| Keywords: | petrophysical parameters subvertical conductivity zone interzonal space ore deposit pyrrhotite Northeast Russia |
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