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Igneous Rocks Inside the Earth!

Intrusive igneous rocks form in magma chambers that are deep underground.
Click on image for full size (31K GIF)
Courtesy of Boise National Forest

These types of igneous rocks are made deep underground. In fact, it is possible that below your feet, deep within the Earth there are igneous rocks being made right now! There, hot magma cools very slowly. Slow cooling makes rocks with large mineral crystals.

Take a look at an igenous rock that formed deep underground! It is called granite.

Find out more about intrusive igneous rocks by visiting our intermediate level page!


Newly-Found Rock May Prove Antarctica and North America Were Connected


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Page created August 18, 2003 by Lisa Gardiner.
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