- Process by which rock is broken down into smaller and
smaller fragments as result of energy developed by
physical forces. Also known as disintegration.
Source: Leet, L. Don. 1982.
Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall
- The process of weathering by which frost action, salt-crystal growth,
absorption of water, and other physical processes break down a rock to
fragments, involving no chemical change. CF:
chemical weathering Syn:
Dictionary of Mining, Mineral, and Related Terms