Sedimentary rock - Wikipedia, the free encyclopedia
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Sedimentary rock is one of the three main rock types (the others being igneous and metamorphic rock). Sedimentary rock is formed by deposition and consolidation of mineral and organic material and fr...
en.wikipedia.org/wiki/Sedimentary_rock
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Have you ever been to the beach and nestled your toes in the sand? Over thousands of years that sand might become part of a sedimentary rock!
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www.windows.ucar.edu/tour/link=/earth/geology/sed_intro...
www.windows.ucar.edu/tour/link=/earth/geology/sed_intro.html
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A photo gallery of sedimentary rocks by Geology.com ... Sedimentary Rock Types Menu ... Sedimentary rocks are formed by the accumulation of sediments. There are three basic types of sedimentary rocks: 1) clastic sedimentary rocks such as breccia, conglomerate, sandstone and shale, that are formed from mechanical...
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geology.com/rocks/sedimentary-rocks.shtml
geology.com/rocks/sedimentary-rocks.shtml
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For thousands, even millions of years, little pieces of our earth have been eroded--broken down and worn away by wind and water. These little bits of our earth are washed downstream where they settle to the bottom of the rivers, ... How Sedimentary Rock Is Formed ... For examples of sedimentary rocks, take a look at these:
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www.fi.edu/fellows/fellow1/rocks/create/sediment.htm
www.fi.edu/fellows/fellow1/rocks/create/sediment.htm
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Sedimentary rocks are made from sediments. ... After long periods of time, the pieces become pressed together and form solid rock called sedimentary rock. ... Sedimentary rocks are usually formed in water.
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www.mcsdk12.org/curr/WebQuests/Rocks/sedimentary%20Rock...
www.mcsdk12.org/curr/WebQuests/Rocks/sedimentary%20Rocks.htm
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Sedimentary rocks are formed in places where there has been water at one time. Dead animals, plants, and pieces of rocks or minerals are carried to these places by wind, water, ice, or even gravity. They are usually dropped off in bodies of water where they sink to the bottom.
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library.thinkquest.org/05aug/00461/sediment.htm
library.thinkquest.org/05aug/00461/sediment.htm
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Sedimentary rocks often have fossils in them. Plants & animals that have died get covered up by new layers of sediment and are turned into stone. Most of the fossils we find are of plants & animals that lived in the sea.
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www.rocksforkids.com/RFK/howrocks.html
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Chert is a very hard sedimentary rock that is usually found in nodules in limestone. Chert is light gray to dark gray in color. It probably formed from the remains of ancient sea sponges or other ocean animals that have been fossilized.
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stone-network.com/rocks/sedimentary.html
stone-network.com/rocks/sedimentary.html
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The Rock Cycle is a group of changes. Igneous rock can change into sedimentary rock or into metamorphic rock. Sedimentary rock can change into metamorphic rock or into igneous rock. Metamorphic rock can change into igneous or sedimentary rock.
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www.cotf.edu/ete/modules/msese/earthsysflr/rock.html
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[sĕd́ə-mĕńtə-rē, -mĕńtrē]
