Weathering
Silica minerals Quartz (alpha
Mechanical (physical) Weathering The process of breaking down sediment without changing the rocks chemical composition. Frost wedging.
Chemical and/or Physical breakdown of rock Physical Weathering (mechanical) breakdown of rock into smaller pieces –Does not involve a chemical change.
Silica minerals
Types of Weathering Mechanical Chemical. What is Mechanical Weathering? The breakdown of rocks without changing the chemical composition of the rock.
