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toc =Mineral Resources=

=Vocabulary=


 * ore**: a rock that contains a metal or economically useful mineral
 * alloy**: a solid mixture of two or more solid metals

=Outline=

**The Uses Of Minerals**

 * minerals are used in everyday life
 * gemstones are mainly used for jewelry and decoration
 * metals useful for tools,machinery,faucets,architecture,automobiles etc,
 * materials from minerals are used for foods,medicines,fertilizers, and building materials

Ores

 * ores do not occur on a pure form
 * copper comes from **ores**
 * an **ore** is a rock that contains a mineral or economically useful

Prospecting

 * Prospector: a person who prospects, or searches, for certain deposits
 * Geologists observe what kind of rocks are on the surface of the land

Mining

 * Strip mining is when earthmoving equipment scrapes away soil to expose ore
 * Open pit mining is when gigantic earthmoving equipment is used to dig a pit
 * Shaft mines are tunnels that extend deep into the ground to follow ore deposits that occur in veins

Smelting

 * smelting is the process of removing the metal from an ore so it can be used
 * smelting is used after the ore is taken out to remove the metal from the ore
 * an **alloy** is solid mixture of two or more metals