홈 > Term: colored slates
colored slates
Cambrian and Ordovician slates quarried in the vicinity of Granville, Washington County, NY. Colors include red, purple, green, and black. The slates are much used in decorative flooring.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)