sedimentary rock: see rock rock, 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
..... Click the link for more information. ; sediment 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).
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sedimentary rock

Rock formed at or near the Earth's surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are deposited long enough to become compacted and cemented into hard beds or strata. They are the most common rocks exposed on the Earth's surface but are only a minor constituent of the entire crust. Their defining characteristic is that they are formed in layers. Each layer has features that reflect the conditions during deposition, the nature of the source material (and, often, the organisms present), and the means of transport. See also sedimentary facies.

sedimentary rock [¦sed·ə¦men·trē ′räk]

(petrology)

A rock formed by consolidated sediment deposited in layers. Also known as derivative rock; neptunic rock, stratified rock.

sedimentary rock

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.

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sedimentary rock (redirected from Sedamentary rock)

sedimentary rock

sedimentary rock
(redirected from Sedamentary rock)