KGMK+4.2

toc =4.2 How Minerals Form=

Vocabulary

 * solution**: its a type of mixture, its a substance that dissolves in another
 * vein**: a narrow type of mineral that is very different from the rocks surrounding it



Processes That Form Minerals

 * the minerals that people are using today have and still are forming deep in Earth's crust on the surface for billions of years.
 * there are two ways for minerals to form one way is through crystallization of melted materials, or through crystallization of materials that have dissolved in water.
 * crystallization is the process when atoms are arranged to make a material with a crystal shape.

Minerals From Magma

 * minerals form as burning magma cools down inside the crust.
 * when the liquids cool to the firm state, they start to form crystals.
 * the size of the crystals depends on three types of factors.
 * the rate when the magma.
 * the slower the magma cools the bigger the crystals are.

minerals form hot water solutions

 * there are many solutions.
 * veins help water rise.
 * a lot of minerals form.

minerals formed by evaporation

 * lots of salt crystals form with dried up salt lakes.
 * the salt can also make fertilizer.

where minerals are found

 * minerals can be found all over the world.
 * gold can be found near the Nevada mountains.