sedimentary rock(redirected from Sediment bed)
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sedimentary rock:see rockrock,
aggregation of solid matter composed of one or more of the minerals forming the earth's crust. The scientific study of rocks is called petrology. Rocks are commonly divided, according to their origin, into three major classes—igneous, sedimentary, and metamorphic.
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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).
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sedimentary rock[¦sed·ə¦men·trē ′räk]
A rock formed by consolidated sediment deposited in layers. Also known as derivative rock; neptunic rock, stratified rock.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Rock, such as limestone or sandstone, which is formed from materials deposited as sediments, in the sea or fresh water, or on the land. Also see stratified rock.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.