Dictionary
Thesaurus
Encyclopedia
Translator
Web

mantle rock

 - 3 dictionary results

mantle rock

–noun Physical Geography.
the layer of disintegrated and decomposed rock fragments, including soil, just above the solid rock of the earth's crust; regolith.

Origin:
1890–95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To mantle rock
mantle rock  
n.  See regolith.
reg·o·lith   (rěg'ə-lĭth')   
n.  The layer of loose rock resting on bedrock, constituting the surface of most land. Also called mantle rock.

[Greek rhēgos, blanket + -lith.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Search another word or see mantle rock on Thesaurus | Reference
FacebookTwitterFollow us: