U.S. Geological Survey

Slide 25

25.The blue clay bed in the photograph has been hydraulically shattered by water pressure from beneath, during liquefaction. A large piece from the lower clay stratum has been detached and emplaced upward along the base of another clay stratum. This type of liquefaction-induced shattering phenomenon is very common in thin interbeds (less than 0.5 m) of fine-grained material and sand.


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Last revised November 24, 1998

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