inertinite

maceral group

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In coal: Macerals
The inertinite group makes up 5 to 40 percent of most coals. Their reflectance values are usually the highest in a given sample. The most common inertinite maceral is fusinite, which has a charcoal-like appearance with obvious cell texture. The cells may be either empty or…
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In coal utilization: Coal type
(3) Inertinite macerals, with high reflectance and carbon contents, are derived from fossil charcoal or decayed material.
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In maceral
…into three major groups: vitrinite, inertinite, and liptinite (formerly called exinite). Vitrinite is derived from cell walls and woody plant tissue and includes the macerals telinite and collinite. Most coals contain a high percentage (50 to 90 percent) of vitrinites. Inertinites, a group thought to have formed from plant material…
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