outwash plain


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outwash plain

[′au̇t‚wäsh ‚plān]
(geology)
A broad, outspread flat or gently sloping alluvial deposit of outwash in front of or beyond the terminal moraine of a glacier. Also known as apron; frontal apron; frontal plain; marginal plain; morainal apron; morainal plain; outwash apron; overwash plain; sandur; wash plain.
References in periodicals archive ?
Kedarnath town is situated on loose unconsolidated outwash plain of Chorabari glacier, deeply shaken and filled by thick debris, which will take several months or years to get reestablished.
A soil survey confirmed the presence of a large outwash plain below the present outlet of the lake.
The retreat of the continental ice sheet that once lay 1000 feet thick upon Manhattan resulted in the deposition of a terminal moraine and the formation of the outwash plain below it, creating the landmass that would eventually become the vast bulk of Brooklyn, Queens, and parts of Staten Island.
The researcher says that nearby Fountain Glacier seems more stable, but the outwash plain below it, a zone always coated in a thick layer of ice, even throughout the summer, was completely dry in the summer of 2008.
The Koetje tract is part of a 1,100-acre corridor linking state and federal land in the Newaygo Outwash Plain, a 125-mile-long swath pitted by glacial debris deposited by melt waters 10,000 years ago.
Existing surficial geologic maps have described this area as an outwash plain.
An Anomalous Silt Cap on the Outer Port Huron Outwash Plain near Buckley, Michigan--Could it be Loess?
The Shelton vertebrate faunule was derived from sediments that mantle the Oxford outwash plain.
Unit 3 alluvium represents either a series of kame deposits or erosional remnants of a former alluvial outwash plain.
Around Kaffrine and in some areas of the region Luga, it will promote the development of 1,200 ha of lowland and outwash plains flood for rice and winter gardening.