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首页> 外文期刊>Doklady Earth Sciences >Carbon Isotopes of Organic Matter from the Upper Jurassic Oil Shales from the Volgian—Pechora Shale Province and Its Accumulation Mechanisms
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Carbon Isotopes of Organic Matter from the Upper Jurassic Oil Shales from the Volgian—Pechora Shale Province and Its Accumulation Mechanisms

机译:沃尔格-佩乔拉页岩省上侏罗统油页岩中有机质的碳同位素及其成藏机理

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摘要

The isotopic composition of carbon from the organic matter of late Jurassic oil shales from the Volgian-Pechora shale province is studied. The existence of a dependence between C_(org) content in the rock and the isotopic composition of kerogen carbon is ascertained. The content of the heavy carbon isotopeincreases with increasing C_(org). This dependence is accounted for by the progressive accumulation of isotopically heavy hydrocarbons of the initial organic matter due to sulfurization. The data on the isotopic composition of individual ?-alkanes of bitumen in the rocks and the data on the absence of isotopic fractionation between thermobitumen and the residual kerogen from oil shales from the Volgian—Pechora shale province obtained by treating shale in an autoclave in the presence of water are presented first in this paper.
机译:研究了Volgian-Pechora页岩省晚侏罗世油页岩有机质的碳同位素组成。确定了岩石中C_(org)含量与干酪根碳的同位素组成之间存在依存关系。重碳同位素含量随C_(org)的增加而增加。这种依赖性是由于硫化导致初始有机物的同位素重烃逐步积累而引起的。岩石中沥青中各个α-烷烃的同位素组成数据以及在沃尔夫-佩乔拉页岩省油页岩中热沥青和残留干酪根之间不存在同位素分馏的数据,方法是在高压釜中对页岩进行处理。本文首先介绍了水的存在。

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  • 来源
    《Doklady Earth Sciences》 |2011年第1期|p.1543-1545|共3页
  • 作者

    D. A. Bushnev; I. V. Smoleva;

  • 作者单位

    Institute of Geology, Komi Science Center, Ural Branch,Russian Academy of Science, ul. Pervomaiskaya 54,Syktyvkar, 167982 Russia;

    Institute of Geology, Komi Science Center, Ural Branch,Russian Academy of Science, ul. Pervomaiskaya 54,Syktyvkar, 167982 Russia;

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