GLG 112 1st Edition Lecture 39Outline of Last LectureI. Introduction to Mass WastingA. What is it?B. When does it happen?C. Where does it happen?II. TriggersOutline of Current Lecture III. Types of mass wastingA. CreepB. Slumps C. SlidesCurrent LectureCreep1. Speed? Slowest 2. Movement surface? Everywhere (any type of hill)3. Earth material? Unconsolidated (loose) material4. Role of water? Yes, minor role*it is the only process that allows the ground to expand and contract. It freezes and thenthaws, moving the sediment downward slowly. Slump1. Speed? Slow-mediumThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.2. Movement surface? Concave-up curved surface. Moves in whole sections3. Earth material? Unconsolidated4. Role of water? Yes, it happens faster and is more likely. It is still considered a minor role.Slides1. Speed? Fast2. Movement surface? Planar surface (straight) on preexisting planes of weakness. 3. Earth material? Bedrock or unconsolidated4. Role of water? Yes,
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