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单词 marl slate
释义

Definition of marl slate in English:

marl slate

noun
Geology
  • 1A fissile calcareous rock; calcareous shale.

  • 2Specifically (usually Marl Slate) a stratigraphic division of the Upper Permian system of England, corresponding to the Kupferschiefer of continental Europe.

Origin

Early 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. After German Mergelschiefer.

 
 

Definition of marl slate in US English:

marl slate

noun
Geology
  • 1A fissile calcareous rock; calcareous shale.

  • 2Specifically (usually Marl Slate) a stratigraphic division of the Upper Permian system of England, corresponding to the Kupferschiefer of continental Europe.

Origin

Early 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. After German Mergelschiefer.

 
 
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更新时间:2024/12/23 9:42:59