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USGS CMG InfoBank: Processes of Mass Wasting

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Comment: 05:01 - 05:33 (00:32)
Source: Annenberg/CPB Resources - Earth Revealed - 16. Mass Wasting
Keywords: "James Sadd", "mass wasting", composition, movement, speed

Our transcription: Processes of mass wasting are often transitional in nature.
What begins as one form of mass wasting can ultimately evolve into another.
For this reason, these processes are sometimes difficult to classify with absolute precision.
The types of mass wasting vary according to several factors: the composition of a material, the manner in which it moves, and the speed of movement.
In some cases, the movement is slow, that it's extremely difficult to detect.
But the absence of obvious movement doesn't necessarily mean that an area is unaffected by mass wasting.

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