Regolith

Regolith is a layer of loose, heterogeneous material covering solid rock. It includes dust, soil, broken rock, and other related materials and is present on Earth, the Moon, some asteroids, and other terrestrial planets and moons.

Read more about Regolith:  Etymology, Moon, Mars, Asteroids, Titan, Earth

Other articles related to "regolith":

Lunar Soil
... Lunar soil is the fine fraction of the regolith found on the surface of the Moon ... soil is often used interchangeably with "lunar regolith" but typically refers to only the finer fraction of regolith, that which is composed of grains one cm ...
Regolith - Earth
... Earth's regolith comprises the following subdivisions and components soil or pedolith alluvium and other transported cover, including that transported by aeolian, glacial, marine, and gravity flow processes ... Regolith can vary from being essentially absent to hundreds of metres in thickness ... ash fall or alluvium just deposited) to hundreds of millions of years old (regolith of Precambrian age occurs in parts of Australia) ...
Baltic Shield - Regolith
... The scouring and compression of the Baltic Shield by glacial movements created the area's many lakes and streams, the land retaining only a thin layer of sandy sediment collected in depressions and eskers ... Most soil consists of moraine, a grayish yellow mixture of sand and rocks, with a thin layer of humus on top ...
Lunar Surface - Lunar Landscape - Regolith
... the surface materials, forming a fine grained layer termed "regolith" ... The thickness of the regolith varies between 2 meters beneath the younger maria, to up to 20 meters beneath the oldest surfaces of the lunar highlands ... The regolith is predominantly composed of materials found in the region, but also contains traces of materials ejected by distant impact craters ...
Lunar Soil - Mineralogy and Composition
... two profound differences in the chemistry of lunar regolith and soil from terrestrial materials ... The second difference is that lunar regolith and crust are chemically reduced, rather than being significantly oxidized like the Earth's crust ... In the case of the regolith, this is due in part to the constant bombardment of the lunar surface with hydrogen (H) from the solar wind ...