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Title: Petrophysical zoning elements of Chertovo Koryto gold-ore deposit (Patom Upland, Eastern Siberia)
Authors: Sokolov, Stepan Vitalievich
Kolmakov, Yuriy Viktorovich
Terre, Dina Anatolievna
Keywords: золото; руды; Восточная Сибирь; магнитные аномалии; углеродсодержащие вещества
Issue Date: 2015
Publisher: IOP Publishing
Citation: Sokolov S. V. Petrophysical zoning elements of Chertovo Koryto gold-ore deposit (Patom Upland, Eastern Siberia) / S. V. Sokolov, Yu. V. Kolmakov, D. A. Terre // IOP Conference Series: Earth and Environmental Science. — 2015. — Vol. 27 : Problems of Geology and Subsurface Development : XIX International Scientific Symposium in honor of Academician M. A. Usov, 6–10 April 2015, Tomsk, Russia. — [012028, 4 p.].
Abstract: The paper considers magnetic susceptibility (chi) and electrode potentials (EP) of rocks in the Chertovo Koryto deposit. Carbon-bearing substance is found in all the studied samples, but in some cases, this substance supplies EP (-150 ± -400 mV). In these samples [chi] rarely exceeds 40·10{-5} SI units, while, in other samples [chi] is 8-10 (up to 30) times higher. Less intensive EP (-20 ± -240 mV) is furnished due to the sulfides in this deposit. Rocks with polarized carbon-bearing substance do not contain magnetic pyrrhotine and are negative linear EP anomalies. Rocks in which carbon-bearing substance is associated with pyrrhotine are revealed as magnetic anomalies. The adjacent rocks determine petrophysical zoning of the Chertovo Koryto deposit. The combination of negative linear EP anomalies and magnetic anomalies is a potential indicator and can define the multi-stage formation of the deposit itself.
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