홈 > Term: bright attritus
bright attritus
A field term to denote the degree of luster of attrital coal compared with the brilliant luster of associated vitrain. Compare: dull attritus.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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