Dictionary

greensand

greensand

noun green·sand \-ˌsand\

Definition of GREENSAND

:  a sedimentary deposit that consists largely of dark greenish grains of glauconite often mingled with clay or sand

First Known Use of GREENSAND

1699

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March 06, 2015
eolian Hear it
Deposited, produced, or eroded by wind
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