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greensand

American  
[green-sand] / ˈgrinˌsænd /

noun

  1. a sandstone containing much glauconite, which gives it a greenish hue.


greensand British  
/ ˈɡriːnˌsænd /

noun

  1. an olive-green sandstone consisting mainly of quartz and glauconite

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of greensand

First recorded in 1790–1800; green + sand

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Pockets of chalk, clay and greensand encourage an exuberant spread of botanical life.

From The Wall Street Journal Apr. 11, 2026

Nor do I see my way to the acceptance of the suggestion of Dr. Carpenter, that the red clay is the result of the decomposition of previously-formed greensand.

From Discourses Biological and Geological Essays by Thomas Henry Huxley

The Blackdowns in the S.W. are not quite so elevated as their neighbours; near Otterford and Chard they consist of greensand, whilst chalk appears at Combe St Nicholas and Cricket St Thomas.

From Somerset by G. W. Wade

As the bore gets deeper more irons are added, till the water-bearing greensand or "rock" is attained, usually in the second hundred feet of the bore.

From Highways and Byways in Cambridge and Ely by Edward Conybeare

The variety of their strata make the cliffs interesting to geologists, for here are found layers of different kinds of chalk, limestone, greensand, marls, chert, and interspersed lines of flints.

From Devon, Its Moorlands, Streams and Coasts by Rosalind Northcote

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