- a sandstone containing much glauconite, which gives it a greenish hue.
Origin of greensand
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for greensand
The Aptien (or Greensand) consists generally of marls and clay.The World Before the Deluge
You probably wonder why these red cliffs are called Greensand.The Geological Story of the Isle of Wight
J. Cecil Hughes
This bed of phosphates was found everywhere in the Greensand, underlying the Chalk.Town Geology
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.Early Britain--Roman Britain
- 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