Coal petrography
R. Falcon, University of Witwatersrand, South Africa
Abstract:
This chapter describes the basics of petrographic analysis including lithology, the classification of macerals, minerals and their associated rocks, the concept of rank, and the impact that these factors have on the technological properties of coal. The development of modern techniques towards grain analysis and mineral and maceral transitions is briefly described.
Key words
coal
coal petrography
constituents of coal
macerals
minerals
rank
bituminous coal
anthracite
coal utilization
modern coal petrographic techniques
3.1 Introduction
Coal is defined in the Oxford Dictionary as ‘a combustible black or dark brown rock consisting chiefly of carbonised ...
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