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1. © Copyright 2004.  M. J. Krech. All rights reserved.Types of Weathering 2. What is Mechanical Weathering? 3. Frost Action 4.   5. Abrasion 6.   7. Gravity 8.   9.…

Documents Silica minerals Quartz (alpha

Slide 1 Silica minerals  Quartz (alpha Andalusite Sillimanite Kyanite  In meta-shales (excess of Al over that needed to form feldspar. Muscovite + quartz --> andalusite…

Documents Mechanical (physical) Weathering The process of breaking down sediment without changing the rocks...

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…

Documents Silica minerals

Silica minerals Quartz (alpha Carbonates Calcite CaCO3 Limestone and carbonatites Aragonite CaCO3 (orthorhombic) High P,low T mm Dolomite CaCO3.MgCO3 Limestone Ankerite CaCO3.(Fe,Mg)CO3…

Documents Types of Weathering Mechanical Chemical. What is Mechanical Weathering? The breakdown of rocks...

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…

Documents Chemical and/or Physical breakdown of rock Physical Weathering (mechanical) breakdown of rock into.....

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…