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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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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