regolith


Also found in: Encyclopedia, Wikipedia.
Related to regolith: peristeronic

reg·o·lith

 (rĕg′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.]

regolith

(ˈrɛɡəlɪθ)
n
(Geological Science) the layer of loose material covering the bedrock of the earth and moon, etc, comprising soil, sand, rock fragments, volcanic ash, glacial drift, etc
[C20: from Greek rhēgos covering, blanket + lithos stone]

reg•o•lith

(ˈrɛg ə lɪθ)

n.
1. the layer of weathered rock and soil overlying bedrock; mantle rock.
2. an analogous layer on another planet or on the moon.
[1895–1900; < Greek rhêgo(s) rug, blanket + -lith]

reg·o·lith

(rĕg′ə-lĭth′)
The layer of soil and loose rock resting on bedrock, constituting the surface of most land.

regolith

the layer of disintegrated and decomposed rock fragments, including soil, lying above the solid rock of the earth’s crust. Also called mantle rock.
See also: Geology

regolith

The layer of soil and broken rock that covers the bedrock.
References in periodicals archive ?
OSIRIS-REx which stands for Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer is going to Bennu, a carbon-rich asteroid that could hold clues to the origin of the solar system.
OSIRIS-REx -- which stands for Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer -- is going to Bennu, a carbon-rich asteroid that could hold clues to the origin of the solar system.
FLORIDA (CyHAN)- An artist's rendition of what building a structure using on-site regolith and additive manufacturing might look like.
The second phase 2004-2009, or the regolith of Indian ecocriticism, the propagatory period of ecocriticism led to the formation of well-organized groups named OSLE: Organization for Studies in Literature and Environment India in Chennai and its counterpart, ASLE India in Puducherry (now the new name for Pondicherry).
This determination was made Wednesday after a successful Mission Critical Design Review (CDR) for NASAOs Origins Spectral Interpretation Resource Identification Security Regolith Explorer (OSIRIS-REx).
This determination was made Wednesday after a successful Mission Critical Design Review (CDR) for NASA's Origins Spectral Interpretation Resource Identification Security Regolith Explorer (OSIRIS-REx).
I can think of three possibilities: a) Some process consolidates the dust into much firmer regolith, b) some process removes the dust in time spans well less than 1 million years or c) the rate of dust accumulation has increased by many orders of magnitude in the geologically recent past.
The research is part of the Measurements of 11 Asteroids and Comets Using Herschel (MACH-11) program, which used Herschel to look at small bodies that have been or will be visited by spacecraft, including the targets of NASA's previous Deep Impact mission and upcoming Origins Spectral Interpretation Resource Identification Security Regolith Explorer (OSIRIS-Rex).
National Aeronautics and Space Administration (NASA) will be sending theOrigins-Spectral Interpretation Resource Identification Security Regolith Explorer (OSIRIS-REx) spacecraft to the 1,760-foot (500-meter)-wide Asteroid Bennu in 2016.
Addressing the challenges of transporting materials to the moon, the study is investigating the use of lunar soil, known as regolith, as building matter.
Asteroids brighten above the standard 'log r' rate at low phase angle, to give an opposition brightness surge, which depends on the nature of the surface regolith.
Four scoop scars can be seen in the regolith in front of the rover.