Accueil > Term: coal bump
coal bump
Sudden outburst of coal and rock that occurs when stresses in a coal pillar, left for support in underground workings, cause the pillar to rupture without warning, sending coal and rock flying with explosive force.
- Partie du discours : noun
- Secteur d’activité/Domaine : Mines
- Catégorie : Exploitation minière; Mineral mining
- Government Agency: USBM
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Créateur
- ed.young
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(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
