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• coal measures
  coal measures

  plural noun

  coal-bearing strata.
• Coal Measures
  Coal Measures

  plural noun

  a series of coal-bearing rocks formed in the upper Carboniferous period; the uppermost series of the Carboniferous system

coal measures

American  

plural noun

Geology.

1. coal-bearing strata.

2. (initial capital letters) in Europe, a portion of the Carboniferous System, characterized by widespread coal deposits.

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Coal Measures British  

plural noun

1. a series of coal-bearing rocks formed in the upper Carboniferous period; the uppermost series of the Carboniferous system

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Etymology

Origin of coal measures

First recorded in 1655–65

Example Sentences

Triassic red beds of the Bunter fill the Clwyd valley and appear again on the coal measures S.E. of Chester.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various

The stage of the earth's history favourable to the formation of coal measures has long gone by.

From Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science by Corbin, Thomas W.

The coal measures of Great Britain, of Germany, Belgium, and northern France, of Russia, and the largest coal beds of China are all of Carboniferous age.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

It is generally largest in lignites, which may sometimes contain 30% or even more, while in the Water in coal. coals of the coal measures it does not usually exceed from 5 to 10%.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" by Various

In Vancouver’s Island in British Columbia, Cretaceous coal measures occur, comparable in value and in the excellence of the fuel they afford with those of the true coal formation.

From The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants by Dawson, Sir J. William