red beds

British  

plural noun

1. sequences of red sedimentary rocks, usually sandstones or shales, coloured by the oxidization of the iron in them

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Example Sentences

See Examples For:

red beds

Two red beds illustrated in her essay, made in New England around 1800, are now for sale through the dealer Austin T. Miller in Columbus, Ohio, and priced between $7,500 and $8,500 each.

From New York Times ● Jun. 25, 2015

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

Great aridity now prevails north of the Himalayas and related ranges, and red beds are accumulating in the centers of the great deserts, such as those of the Tarim Basin and the Transcaspian.

From Climatic Changes Their Nature and Causes by Ellsworth Huntington

Newton remarks concerning this:4 'A large percentage of peroxide of iron in the red beds, to which they owe their bright red color, bears an interesting relation to the absence of fossils.

From Cave Regions of the Ozarks and Black Hills by Luella Agnes Owen

Only a few months previously he had discovered fossil bones in the red beds of New Mexico, the since famous Permian deposits.

From Dinosaurs With Special Reference to the American Museum Collections by Henry Fairfield Osborn