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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

North and south of this ridge is the lower greensand, forming in Sussex the low hills near Heathfield, Cuckfield and Petworth, and which reaches the sea south and north of Hastings.

From Seaward Sussex The South Downs from End to End by Edric Holmes

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

It appears that the numerous caverns of the Morea occur in a compact limestone, of the age of the English chalk, immediately below which are arenaceous strata referred to the period of our greensand.

From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Sir Charles Lyell

On the E. they are flanked with the Oxford clay, which reaches from Henstridge to Witham Friary, whilst a ridge of higher ground near Penselwood consists of greensand.

From Somerset by G. W. Wade

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