Identifying Types Of Rocks

By  Sciencing Staff

The three types of rocks are igneous, formed from molten rock, sedimentary, formed from the elements of an existing rock, and metamorphic, formed by a change in heat or pressure. Identify the three different types of rocks with information from a geology professor in this free video on rocks.

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Sciencing Staff. "Identifying Types Of Rocks" sciencing.com, https://www.sciencing.com/identifying-types-of-rocks-13585848/. 19 October 2017.

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Sciencing Staff. (2017, October 19). Identifying Types Of Rocks. sciencing.com. Retrieved from https://www.sciencing.com/identifying-types-of-rocks-13585848/

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Sciencing Staff. Identifying Types Of Rocks last modified October 19, 2017. https://www.sciencing.com/identifying-types-of-rocks-13585848/

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