Glossary
Solid fuels: coal From mining to combustion

Felling; mining or coal felling

Operation consisting of detaching a block of coal from the seam.

Outcrop; upper layer

Part of the coal bed leading to the surface.

Charterer

A person who leases a vessel or operates a vessel on lease, under the terms of a lease contract or charter party.

Particle size analysis; sizing test

Result of a process of dividing the coal sample into fractions of different sizes with defined upper and lower limits; the proportions of the different fractions being expressed as percentages of the overall mass of the sample.

Anthracite; anthracite

Coal variety, black, often shiny, containing 90 to 95% carbon, constituting the highest rank in the...