Unroofing is the geological process of erosion and removal of overlying rocks, exposing deeper rocks at the Earth’s surface. This process is significant in understanding the history of mountain ranges, the cooling history of rocks, and the exhumation of high-pressure metamorphic rocks.
Reference: Brown, R. W., Summerfield, M. A., & Gleadow, A. J. W. (1994). “Apatite Fission Track Analysis of Denudation Chronologies in the British Isles.” Earth and Planetary Science Letters, 126(1-3), 1-17.