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March 26, 2017

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I know that a peneplain is a flat area due to erosion, but what is the term for a flat area due to deposition?
I am generally very successful with searching the internet, but I could not find the term I am looking for.
Could you please help? Thank you!

  • geology - ,

    Are you looking for delta?

    http://en.wikipedia.org/wiki/River_delta

  • geology - ,

    Thank you Ms. Sue but, unfortunately, this is not the term I was searching for. (It is a longer name. I know there is a pediment, but that, too, is due to erosion, if I remember correctly.)

  • geology - ,

    E.G.? (C'est mon E.G.?) I think you can't miss here, if all you have to do is recognize the term:

    http://www.buzzle.com/articles/geology-terms-glossary-of-geology-terms-and-definitions.html

    Sra (aka Mme)

  • geology - ,

    Delta was a good guess. I also thought of reef. It may be here, along with someother interesting term s; A few other terms:

    floodplain -- n. The flat area on either side of an active river channel that can be covered in water when the river is in flood. When the channel is breached, sediment-laden waters spread across the floodplain. When the waters recede, a layer of sediment is left behind. When the floodplain is not covered with water, it commonly supports vegetation and soil formation.

    loess -- n. A widespread, loose deposit consisting mainly of silt; most loess deposits formed during the Pleistocene as an accumulation of wind-blown dust carried from deserts, alluvial plains, or glacial deposits.

    marine terrace -- n. A platform of marine deposits (typically sand, silt, gravel) sloping gently seaward. Such a platform may be exposed along the coast, forming cliffs, due to uplift and/or the lowering of sea level, e.g., marine terraces of coastal Southern California.
    moraine -- n. A mound or ridge of sediment deposited by a glacier; lateral moraine- n. deposited to the side of a glacier; terminal moraine- n. deposited to the front of a glacier; ground moraine- n. deposited on the land surface.

    red bed -- n. Sedimentary layers composed primarily of sandstone, siltstone, and shale, that are predominantly red in color due to the presence of iron oxides; often used in reference to the Permian or Triassic sediments of the western U.S.

    Sra (aka Mme)

  • geology - ,

    If not "floodplain," here is one more site to check:

    (Broken Link Removed)

    Sra (aka Mme) (et c'est tout de moi!)

  • geology - ,

    Merci beaucoup, Mme; je vais étudier les emplacements que vous avez proposés.

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