Topic: sediment

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sediment

The Columbia Encyclopedia, Sixth Edition
sediment mineral or organic particles that are deposited by the action of wind, water, or glacial ice. These sediments can eventually form sedimentary rocks (see rock ). Classification of Sediments Sediments are commonly subdivided into three major groups—mechanical, chemical, and organic. Mechanical, or clastic, sediments are derived from the erosion of earlier formed rocks on the earth's surface or in the oceans. These are then carried by streams, winds, or glaciers to the site where they are deposited. Streams deposit sediment in floodplains or carry these particles to... Read more
Ocean-Floor Sediments
Water:Science and Issues Ocean-Floor Sediments Sediment on the seafloor originates from a variety of sources, including ... originates as interstellar dust. In short, the particles found in sediment on the seafloor vary considerably in composition and record a complex ... Read more
Sediment and Sedimentation
Science of Everyday Things SEDIMENT AND SEDIMENTATION CONCEPT The materials that make up Earth are each products of complex cycles and interactions, as a study of sediment and sedimentation shows. Sediment is unconsolidated material deposited at or near Earth's surface from a number of sources, most notably ... Read more

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Sediment Transport