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

The KU researcher said Carboniferous Coal Measures are an important source of information for fossil arachnids, representing the first time in Earth's history when most living groups of arachnids occurred together.

From Science Daily

In March 2017, Mr. Murray and 10 of his miners were invited to the Environmental Protection Agency’s headquarters, where Trump signed an executive order to unwind Obama-era coal measures and climate change regulations.

From Washington Post

“It is my view that here and there scattered through the masses of the coal measures an occasional spore or some similarly resistant resting stage of a microorganism has survived the vicissitudes of time and circumstance and retained its living character, its power to develop into a vegetative form, and its power to multiply when conditions are rendered propitious for it.”

From Scientific American

They think the Carboniferous coal measures were a consequence of continental drift.

From Economist

Here there are coal measures in abundance—in the South, Central, and Northern divisions of the State, and on the Darling Downs.

From Project Gutenberg