Exploratour - The Archean Age
This is an image of flowing lava.
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S. Rowland/LPI
Click on image for full size
S. Rowland/LPI
Igneous rocks are those which are formed by volcanoes, that is by the melting and remelting of the Earth's crust. In other words, these rocks are created from material of the Earth's interior, like the lava shown in this picture.
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