首页 > Term: coal measures (CM)
coal measures (CM)
Strata containing coalbeds, particularly those of the Pennsylvanian Period. Used as a proper name for a stratigraphic unit more or less equivalent to the Pennsylvanian Period.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)