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sedimentary rock

What Is The Rock Cycle

September 22, 2010

Want to stay on top of all the space news? Follow @universetoday on Twitter The answer to ‘what is the rock cycle’ is very straight forward: it is a geological concept that describes the transitions among the three main types of rock: sedimentary, metamorphic, and igneous. Each type of rock is altered or destroyed when [...]

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How Are Rocks Formed?

December 3, 2009

You’ve come to find an answer to the question, “How are rocks formed?”. However, there are three types of rocks: igneous, sedimentary, and metamorphic rocks. Each type of rock has a different origin. Therefore, the question, “How are rocks formed?” begs three distinct answers. Here they are: How are igneous rocks formed? Igneous rocks are [...]

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Sedimentary Rock

August 31, 2009

Sedimentary rock covers 70% of the Earth. Erosion is constantly changing the face of the Earth. Weathering agents…wind, water, and ice…break rock into smaller pieces that flow down waterways until the settle to the bottom permanently. These sediments( pebbles, sand, clay, and gravel) pile up and for new layers. After hundred or thousands of years [...]

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