Formation, Mining, and Use of Minerals Cornell Notes Page 133
REVIEW: What do we know about how minerals are made? –(Think about the characteristics of minerals…) Naturally occurring Inorganic NOT made by humans, plants, or animals!
Why do we need minerals? We eat minerals to stay healthy- iron, calcium, salt We use minerals for building and construction- gypsum is used to make dry wall, iron is used to manufacture steel. Minerals like copper and gold are used in appliances and electronics.
How do we get minerals?
How do we get minerals? Ore: type of rock containing enough minerals to be mined for profit. Surface Mining –Open pits, surface coal mines, and quarries.
Subsurface Mining –Passageways are dug into the Earth to reach the ore. –Minerals are located too deep to be mined with surface mines.