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BookmarkQuicksand is loose, water-logged soil that yields easily to weight or pressure.
It can be formed when sand, silt, clay, or other grainy soil is saturated or supersaturated by water flowing from below ground (such as from an underground spring) with enough pressure to separate and suspend the grains.
The undisturbed sand often is or appears to be solid until some shock or sudden increase in pressure, such as a person stepping on it, causes it to liquify and lose its friction..
For more information about the topic Quicksand, read the full article at Wikipedia.org, or see the following related articles:
Earthquake liquefaction — Earthquake liquefaction, often referred to simply as liquefaction, is the process by which saturated, unconsolidated soil or sand is converted into a ... > read more
Groundwater — Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of geologic formations. A formation of rock/soil is ... > read more
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