Movement as coherent mass
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diagram from: Landslides in British Columbia Page
(http://www.ei.gov.bc.ca/geosmin/mapinv/surfical/landslid/ls2.htm)
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Slides are:
- characterized by translational motion - one direction, no rotation
- slow to rapid
- often triggered by high precipitation or snowmelt, freeze/thaw, or vibration.
Photo of a Rock Slide
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