Fech fech

Fech fech

Fech fech ( _ar. فش فش) is a very fine powder caused by the erosion of clay-limestone terrain, pulverulent soil under a thin crust common in deserts. [cite web | last = Pelisson | first = R & R | title = CO3, DaG carbonaceous chondrite meteorite | publisher = SaharaMet | url = http://www.saharamet.com/expedition/CO3/part1.html | format = HTML | quote = ... trap is called "fech-fech", a very fine powder caused by erosion of the clay-limestone terrain, a pulverulent soil under a thin crust, not really discernible. Don't stop ... | accessdate = 2008-01-13] It is not determinable from the surface and can therefore pose a significant transportation hazard acting as a surprise "trap" as the ground collapses beneath a vehicle miring it in a quicksand-like substance.

Fech fech is common in the Qattara Depression, making that portion of the Sahara Desert deemed impassable to most vehicles.

ee also

* Dry quicksand

References


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