dry quicksand


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dry quicksand

[¦drī ′kwik‚sand]
(geology)
An accumulation of alternate layers of firmly compacted sand and loose sand that cannot support heavy loads.
References in periodicals archive ?
Experiments under controlled laboratory conditions have shown that manmade sand can suck an object under its surface, but this type of deep, dry quicksand has never been observed in nature, and it's not been established that Mount Baldy is an example of dry quicksand.