Loess

Definition (http://en.wikipedia.org/wiki/Loess)

Loess is a clastic, predominantly silt-sized sediment, which is formed by the accumulation of wind-blown dust. Loess is an aeolian sediment formed by the accumulation of wind-blown silt, typically in the 20–50 micrometer size range, twenty percent or less clay and the balance equal parts sand and silt[2] that are loosely cemented by calcium carbonate. It is usually homogeneous and highly porous and is traversed by vertical capillaries that permit the sediment to fracture and form vertical bluffs. (Wikipedia)

Preferred Units: N/A

Scope Note:
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This term is used for the following terms: 
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Approved Date
11-Dec-2013

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