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Unformatted text preview: Geology notes- ,. [email protected] psc 518(subject geology 101) .084,.213..136 163 Mass wasting • Mass wasting includes all processes by which masses of rock and soil move downslope(water sediment fluids • Mass movement occurs when the force of gravity exceeds the strength of the material and it moves down slope( always downhill) higher the mass higher resistance(sand clay) • Three factors- nature of slope materials(angle of repose), amount of water ( classicfication of water), steepness and stability(bed rock type)s • Nature of slope material(unconsolidated materials- sand and silt) rock fragments sand silt and clay) no compactiness in the particle • Angle of repose(different for different types of material) 1. Particles dropped in a pile create an angle of repose based on their size and angularity. 2. Fine sand assumes a shallower angle of repose.. 3. Than an • angular pebbled do( fine sand, coarse sand, pebbles) smallest to largest • Angle of repose- the angle for a particular material type at which the material will be...
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- Spring '11
- Geology, Landslide, unconsolidated materials- sand, rock fragments sand