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Gravity. Mass Movement. Rapid Mass Movement. Rockfall —rock moving downhill Landslide—rock and soil moving downhill Mudflow—soil and water moving downhill Slump—rock and soil moving in a curved plane. Slow Mass Movement.
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Gravity Mass Movement
Rapid Mass Movement • Rockfall—rock moving downhill • Landslide—rock and soil moving downhill • Mudflow—soil and water moving downhill • Slump—rock and soil moving in a curved plane
Slow Mass Movement • Creep—rock and soil moving downhill so slowly you can not see it happen you can only see evidence that it has taken place. • Leaning fence posts • Trees with curved trunks at the base.
Rockfall/Landslide in backgroundSt. Mary’s Lake, Glacier Natl Park