ホーム > Term: brownstone
brownstone
A brown or reddish-brown sandstone with grains generally coated with iron oxide; specif. a dark, reddish-brown, ferruginous quartz sandstone of Triassic age.
- 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
0
作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)