Identifying Igneous Rocks
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.
APA
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/