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greensand

[green-sand]
noun
  1. a sandstone containing much glauconite, which gives it a greenish hue.
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Origin of greensand

First recorded in 1790–1800; green + sand
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for greensand

Historical Examples of greensand

  • The Aptien (or Greensand) consists generally of marls and clay.

    The World Before the Deluge

    Louis Figuier

  • You probably wonder why these red cliffs are called Greensand.

  • This bed of phosphates was found everywhere in the Greensand, underlying the Chalk.

    Town Geology

    Charles Kingsley

  • In 1848 he advocated the use of phosphate nodules in the "Greensand" beds of Cambridgeshire.

  • The "coprolites" were phosphatic nodules found in the greensand and dug for use as manure.


British Dictionary definitions for greensand

greensand

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