Slide 1 Silica minerals Quartz (alpha Andalusite Sillimanite Kyanite In meta-shales (excess of Al over that needed to form feldspar. Muscovite + quartz --> andalusite…
Slide 1 Slide 2 Slide 3 Mechanical (physical) Weathering The process of breaking down sediment without changing the rocks chemical composition. Frost wedging Slide 4 Physical…
Types of Weathering Mechanical Chemical What is Mechanical Weathering? The breakdown of rocks without changing the chemical composition of the rock. 1. Frost Action Freezing…
Chemical and/or Physical breakdown of rock Physical Weathering (mechanical) breakdown of rock into smaller pieces Does not involve a chemical change in the rock Frost Action/Wedging…