The layer of loose rock resting on bedrock, constituting the surface of most land.
The loose, unconsolidated material, residual or transported, that rests on the bedrock; mantle rock.
The layer of rock and mineral fragments that rests on bedrock and is produced by the weathering of rocks. Regolith constitutes the surface of most land.
Origin of regolith
- Greek rhēgos blanket –lith
From American Heritage Dictionary of the English Language, 5th Edition
- Irregular formation from Ancient Greek á¿¥á¿†Î³Î¿Ï‚ (rhÄ“gos, “rug, blanket") + -lith (from Î»Î¯Î¸Î¿Ï‚ (lithos, “stone")).