Contact coal transformation under the influence of dolerite dike (Kaierkan deposit, Noril'sk district) |
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Authors: | VN Melenevsky AN Fomin AS Konyshev OG Talibova |
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Institution: | aInstitute of Petroleum Geology and Geophysics, Siberian Branch of the RAS, 3 prosp. Akad. Koptyuga, Novosibirsk, 630090, Russia |
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Abstract: | The influence of 6.75 m thick dolerite dike on the sheet coal of the Kaierkan deposit (northwestern Siberian Platform) was studied by organogeochemical methods. It is shown that initial bituminous coal was transformed into anthracite in the immediate vicinity of the dike. Chemical kinetic modeling of the dike-induced cracking of coal's organic matter was performed, and the maximum paleotemperatures were estimated. |
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Keywords: | Coal catagenesis pyrolysis vitrinite intrusion effect |
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