What Are Rocks Made up of?

Answer

Rocks are made up of one or two minerals. They are categorised into threes categories that are igneous, sedimentary, and metamorphic rocks. When rocks disintegrate they form soil.
Q&A Related to "What Are Rocks Made up of"
Rock salt deposits and mines typically form when salty water evaporates. The dissolved water contains sodium and chloride elements that are left behind, forming rock crystals. This
http://www.ehow.com/how-does_5002921_how-rock-salt...
Sandstone. (sometimes known as arenite) is a sedimentary rock composed mainly of sand-sized minerals or rock grains. Most sandstone is composed of quartz and/or feldspar because these
http://wiki.answers.com/Q/What_is_the_rock_sandsto...
same stuff as the moon perhaps?
http://wiki.answers.com/Q/What_are_moon_rocks_made...
An igneous rock is a rock that is made from heat , and the differnt types of igneous rocks are Obsidian , Granite , Basalt , Pumice and Gabbro.
http://wiki.answers.com/Q/How+os+an+igneous+rock+m...
1 Additional Answer
Rocks are often made up of the solidification of rock, debris and the chemical or physical modification of heat and pressure. Rocks are also composed of minerals that form into crystal like structures. You can find more information here: http://www.physicalgeography.net/fundamentals/10d.html
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All rocks are made of minerals. Examples of these minerals are graphite, diamond, hematite, gypsum, talc, pyrite, fluorite, copper etc. All rocks are made up of ...
Sedimentary rocks are made when pieces of rocks, sand, mud, or even the bones or shells of living things settle into layers together and harden. You can find ...
Metamorphic rocks are made deep inside the earth, when the heat and pressure in the planet's mantle changes the composition of the rock. They can also occur during ...
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