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Physical Geography: Igneous Rocks [DVD] [English]
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Physical Geography: Igneous Rocks
Part of the 16-part Physical Geography Series, which teaches viewers about a variety of natural phenomena, including caves, rocks, geysers, glaciers, earthquakes, and more, Physical Geography Series: Igneous Rocks explores the diverse world of rocks formed by heat. Viewers learn about the numerous kinds of igneous rocks, including volcanic rocks, igneous rocks of dykes and sills, and plutonic rocks like granite, syenite, and others. Program hosts explain the complex way igneous rocks form and re-crystallize deep within the earth's crusts. ~ Betsy Boyd, Rovi

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