greensand

green·sand

 (grēn′sănd′)

n.

A sand or sediment having a dark greenish color caused by the presence of glauconite.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

greensand

(ˈɡriːnˌsænd)

n

(Geological Science) an olive-green sandstone consisting mainly of quartz and glauconite

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

green•sand

(ˈgrinˌsænd)

n.

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

[1790–1800]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

greensand - an olive-green sandstone containing glauconite sandstone - a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.)

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