paleosol

[ pey-lee-uh-sawl, -sol or, esp. British, pal-ee-uh- ]
/ ˈpeɪ li əˌsɔl, -ˌsɒl or, esp. British, ˈpæl i ə- /

noun

a fossil soil preserved within a sequence of geological deposits, indicative of past conditions.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for paleosol

paleosol

[ pālē-ə-sôl′ ]

A soil horizon from the geologic past, usually buried beneath other rocks or recent soil horizons.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.