Identifying Igneous Rocks

By  Sciencing Staff

Igneous rocks are one of the three main classifications of rocks, and they are formed both above and below ground. Learn about the intrusive and coarse-grained nature of igneous rocks with help from a lab manager and research scientist in this free video on identifying rocks.

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Sciencing Staff. "Identifying Igneous Rocks" sciencing.com, https://www.sciencing.com/identifying-igneous-rocks-13585846/. 19 October 2017.

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Sciencing Staff. (2017, October 19). Identifying Igneous Rocks. sciencing.com. Retrieved from https://www.sciencing.com/identifying-igneous-rocks-13585846/

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Sciencing Staff. Identifying Igneous Rocks last modified October 19, 2017. https://www.sciencing.com/identifying-igneous-rocks-13585846/

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