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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.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.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.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 ...

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, ...

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 ...

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

Formation of Sedimentary Rocks. Sedimentary rocks are the product of 1) weathering of preexisting rocks, 2) transport of the weathering products, 3) deposition ...

.ask.com/youtube?q=Sedimentary+Rock+Formation&v=NygkD8uATng
Apr 14, 2012 ... ... for kids for free. When mountains are old, lots of rock gets worn away due to... ... Sedimentary Rocks Video for kids by makemegenius.com .... GCSE Science Revision - Formation of Sedimentary Rock layers - Duration: 1:52.

geology.com/rocks/sedimentary-rocks.shtml

Photos of Common Clastic, Chemical, and Organic Sedimentary Rock Types. Breccia is a ... Sedimentary rocks are formed by the accumulation of sediments.