Coastal & Marine Geology InfoBank

USGS CMG InfoBank: Transported Sediment


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Comment: 04:39 - 05:15 (00:36)

Source: Annenberg/CPB Resources - Earth Revealed - 17. Sedimentary Rocks: The Key to Past Environments

Keywords: "sedimentary rock", sediment, transportation, wind, water, stream, sorting

Our transcription: Sediment can be transported in various ways.

It can slide down a hillside, be blown by the wind, or be carried along by a flowing stream.

As sediment is transported, it tends to be smoothed and rounded as fragments hit and scrape against one another.

Sorting is controlled by the size and weight of particles, with the heaviest sediment being deposited first, and finer sediment being transported considerable distances.

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U.S. Department of the Interior \| U.S. Geological Survey URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/moviepage/16.01.06.html Page Contact: InfoBank staff Page Last Modified: Tue Dec 16 06:31:37 PST 2008 (wcs)