Paleosols

paleosol

[pey-lee-uh-sawl, -sol or, esp. British, pal-ee-uh-]
noun
a fossil soil preserved within a sequence of geological deposits, indicative of past conditions.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
paleosol   (pā'lē-ə-sôl')  Pronunciation Key 
A soil horizon from the geologic past, usually buried beneath other rocks or recent soil horizons.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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