홈 > Term: boulder
boulder
An obsolete term for any large rock mass lying on the surface of the ground or embedded in the soil, differing from the country rock of the region, such as an erratic.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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작성자
- ed.young
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(V.I.P) 21084 포인트 - 100% positive feedback
(Milwaukee, United States)
