A seam is a sedimentary resulting, expanded reservoir of raw material (mostly carbon ) which is parallel to the rock coating runs. The thickness of a seam is variable. The spatial position of a seam in the “ mountain ” is determined by its fall and strike .
The coal seams in Ruhr mining are opened up by tunnel mines and shaft mines.
Begins a coal fire, one speaks of a coal fire .
- Walter Bischoff , Heinz Bramann, Westfälische Berggewerkschaftskasse Bochum: The small mining dictionary. 7th edition, Verlag Glückauf GmbH, Essen 1988, ISBN 3-7739-0501-7
- Ernst-Ulrich Reuther: Introduction to mining. 1st edition, Verlag Glückauf GmbH, Essen 1982, ISBN 3-7739-0390-1