These igneous rocks form above the surface of the Earth.

These type of rocks form when sediments are deposited, compressed, and cemented together.

This type of rock has mineral grains that aren't lined up.

In this process sediment is squeezed and the size of the pore space is reduced.

This rock's name means fire.

These rocks contain a mixture of coarse and fine grains.

These rocks have mineral grains that are lined up in rows, bands, or layers.

Rocks that have minerals that are too small to be seen are called

This type of rock is formed from pre-existing rocks that are altered by heat and pressure.

Material made from loose rock fragments, minerals and organic material

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