
A foreset bed is one of the main parts of a river delta. It is the inclined part of a delta that is found at the end of the stream channel as the delta sediment is deposited along the arcuate delta front. As the sediments are deposited on a sloping surface the resulting bedding is not horizontal, but dips in the direction of current flow toward de...
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http://en.wikipedia.org/wiki/Foreset_bed

(from the article `river`) ...that found in large marine deltas. Topset beds are a complex of lithologic units deposited in various sub-environments of the subaerial delta ...
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http://www.britannica.com/eb/a-z/f/46

Deltaic deposit of alluvial sediment that is angled 5 to 25° from horizontal. Most of the delta is made up of these deposits.
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http://www.physicalgeography.net/physgeoglos/f.html

Inclined layers of sediment deposited on the advancing margin of a growing delta or along the slip face of a sand dune.
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https://www.encyclo.co.uk/local/22327
No exact match found.