ホーム > Term: marlstone ore
marlstone ore
A stratified ironstone located in the Midlands (England) and occurring at the top of the Middle Lias series.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)