Coke and Chemistry

, Volume 61, Issue 10, pp 365–370 | Cite as

Petrographic Analysis of >1.40-g/cm3 Coal Fractions

  • N. I. FedorovaEmail author
  • A. N. ZaostrovskiyEmail author
  • N. A. GrabovayaEmail author
  • Z. R. IsmagilovEmail author


The petrographic composition of fractions of density 1.40–1.45 g/cm3 from coal of different metamorphic development is studied. In terms of their petrographic composition, these fractions are mainly of two-component type, and the inertinite group is dominant. Visual analysis of polished samples reveals their maceral composition: the vitrinite group is represented mainly by telocollinite, desmocollinite, and telinite. The macerals of the inertinite group are fusinite, semifusinite, and sclerotinite. In some samples, fusinite with a somewhat intact cell structure is observed.


coal elemental composition metamorphic development petrographic analysis vitrinite reflection coefficient macerals inertinite vitrinite 



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Copyright information

© Allerton Press, Inc. 2018

Authors and Affiliations

  1. 1.Institute of Coal Chemistry and Materials Chemistry, Federal Research Center of Coal and Coal Chemistry, Siberian Branch, Russian Academy of SciencesKemerovoRussia

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