홈 > Term: gobbing slate
gobbing slate
A thick layer of slate between two seams of coal. The lower seam is mined and the upper seam and the slate are shot down; the coal is loaded out and then the slate is gobbed.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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