Igneous Rocks

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Igneous Rocks

It’s Rock Week, so let’s rock!

Igneous rocks are formed when magma cools underground and crystallizes or when it erupts unto the surface of the ground, cools and crystallizes. Magma that erupts onto the surface is called lava. When magma cools slowly underground the crystals are large enough to see. When it cools quickly on the surface, the crystals are very small and you would need a magnifier or a microscope to see them. A common place to find igneous rocks is inside or near volcanoes. Colours can range from white to pink, and green to black.

Geology.com has an excellent list of Igneous rocks that you can use to identify some of the rocks in your backyard or campground. Check it out at: Pictures of Igneous Rocks.

Here’s a video from Dr. Matthew Genge that should help you understand where these rocks come from:

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    • Tiffany

      Can you fuck yourself

      • Tiffany

        Tell me cause I want to hump you

    • random person

      whATs THE NAME OF  this ROck

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