regolith

(redirected from mantlerock)
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Related to mantlerock: Mantle of the earth, mantle zone

regolith

(reg -ŏ-lith) The layer of dust and broken rock, created by meteoritic bombardment, that covers much of the surfaces of the Moon and other planets and satellites in the Solar System.

regolith

[′reg·ə‚lith]
(geology)
The layer rock or blanket of unconsolidated rocky debris of any thickness that overlies bedrock and forms the surface of the land. Also known as mantle rock.