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Over time the layers of sand, mud, and pebbles at the bottom of lakes and oceans turn into sedimentary rocks.
Examples include sandstone, shale, and limestone.

en.wikipedia.org/wiki/Sedimentary_rock

Sedimentary rocks are types of rock that are formed by the deposition and subsequent cementation of that material at the Earth's surface and within bodies of ...

www.sciencedaily.com/terms/sedimentary_rock.htm

Sedimentary rock is one of the three main rock groups (along with igneous and metamorphic rocks) and is formed in four main ways: by the deposition of the ...

www.rocksandminerals4u.com/sedimentary_rock_formation.html

Sedimentary rock formation begins with igneous, metamorphic, or other sedimentary rocks. When these rocks are exposed at the earths surface they begin the ...

www.bbc.co.uk/bitesize/ks3/science/environment_earth_universe/rock_cycle/revision/3

Sedimentary rocks. There are three main types of rock: sedimentary, igneous and metamorphic. Formation of sedimentary rocks. A river carries, or transports, ...

www.onegeology.org/extra/kids/sedimentary.html

Over time, these layers are squashed under more and more layers. Eventually, the layers are lithified – turned to rock. Sedimentary rocks can be formed in ...

www.eartheclipse.com/geology/formation-types-and-examples-of-sedimentary-rocks.html

Sedimentary rocks are the most common rock types which are freely exposed on the earth's surface. They are formed from other rock materials since they are ...

volcano.oregonstate.edu/book/export/html/1056

Sedimentary rocks are formed from the breaking apart of other rocks (igneous, metamorphic, or sedimentary rocks) and the cementation, compaction and ...

sciencing.com/three-ways-sedimentary-rocks-formed-8215396.html

Sedimentary rocks are made up of fragments of existing rocks which are called sediments. They are deposited in shallow waters, basins, and on ocean floors in  ...

www.columbia.edu/~vjd1/sed_rx.htm

In that case, sedimentary rocks are derived rocks because they are formed from ... Sedimentary rocks are the product of 1) weathering of preexisting rocks, ...