Petrographic Analysis of &gt;1.40-g/cm 3  Coal Fractions

N. I. Fedorova; A. N. Zaostrovskiy; N. A. Grabovaya; Z. R. Ismagilov

doi:10.3103/S1068364X18100034

Petrographic Analysis of >1.40-g/cm³ Coal Fractions

Authors: Fedorova N.I.¹, Zaostrovskiy A.N.¹, Grabovaya N.A.¹, Ismagilov Z.R.¹
Affiliations:
1. Institute of Coal Chemistry and Materials Chemistry, Federal Research Center of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences
Issue: Vol 61, No 10 (2018)
Pages: 365-370
Section: Coal
URL: https://ogarev-online.ru/1068-364X/article/view/226619
DOI: https://doi.org/10.3103/S1068364X18100034
ID: 226619

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Abstract
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Abstract

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.

Keywords

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

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Petrographic Analysis of >1.40-g/cm3 Coal Fractions

Full Text

Abstract

Keywords

About the authors

N. I. Fedorova

A. N. Zaostrovskiy

N. A. Grabovaya

Z. R. Ismagilov

Supplementary files

Petrographic Analysis of >1.40-g/cm³ Coal Fractions