Nature's surprise! / [produced by] Dallas County Community College District.

Igneous rocks are formed when molten magma or lava cools and crystallizes to form various minerals. Massive granite formations found in many mountain ranges are common, such as Half-Dome in Yosemite National Park. But occasionally nature fools us with its ability to create the unexpected.

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Bibliographic Details
Format: Video
Published: Dallas County, TX : Dallas County Community College District, 2012.
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