Ch. 4 Sec. 3 Mineral Resources
Jan 22, 2015
Ch. 4 Sec. 3 Mineral Resources
Mineral UsesTalc Talcum powder
Calcite Optical instruments like microscopes
Quartz Glass, electronic equipment, watches
Gypsum Wallboard, cement, stucco
gemstone gemstone • hard, colorful mineral that has brilliant or
glassy luster
• gemstone that has been cut & polished• used for: jewelry decoration mechanical parts grinding & polishing
gemgem
Ruby Blue Topaz
Silver Topaz
Chrysoberyl(cat's eye)
Emerald Garnet
BIRTHSTONESBIRTHSTONES
metals
• can be stretched into wire, flattened into sheets, hammered or molded w/out breaking
Uses of metals:
•aluminum foil
•steel beams
•light bulb filament
oreore• rock that contains metal or
economically useful mineral
chalcopyrite
prospectorprospector• anyone who searches for ore deposits
strip open pit
shaft
strip minin
g
earthmoving equipment scrapes away soil - expose ore
giant earthmovingequipment used to dig
huge pit
shaft mine
•network of tunnels that go deep underground•removes ore from veins
"Hang on to your hats and "Hang on to your hats and glasses 'cause this here's glasses 'cause this here's
the wildest ride in the the wildest ride in the wilderness."wilderness."
process where ore is melted to separate useful metal from other elements it contains
smelting
smelting process of iron
1. iron ore crushed-mixed w/
limestone & coke2.
3.
4.
5.
alloyalloy• solid mixture of 2 or
more metals
• special properties:
1.stronger steel
2. rust resistant steel