Chapter 8 - Mineral Resources

Question 1

Minerals

Answer 1

Naturally occurring chemical substances that make up rocks

Question 2

Ore

Answer 2

A mineral that contains a metal or some other valuable material

Question 3

Native elements

Answer 3

a pure element of ore minerals, like gold silver and copper

Question 4

Compound elements

Answer 4

ore minerals made up of multiple elements, like malachite, made of copper and carbon, and oxygen

Question 5

Mineral formation - sedimentary rock

Answer 5

dissolved mineral evaporates, leaving mineral crystals behind. eg dripstone stalgmites and tites

Question 6

Mineral formation - crystals

Answer 6

can happen in salt lakes or inside hollow rocks, eg amethyst

Question 7

Procces of obtaining minerals

Answer 7

Mining- mineral removed from ground
Proccessing - unwanted minerals removed, valuble extracted
rehabiltation - mining site returned to original

Question 8

Strip

Answer 8

When strips/pits are dug on the surface to reach the wanted ores.

Question 9

Dredge

Answer 9

When ore is pumped out from underwater, usually by a boat sitting on the ocean surface

Question 10

Shaft

Answer 10

When tunnels are dug underground to reach wanted ores.

Question 11

Leach

Answer 11

When chemicals are pumped into the ground to dissolve the wanted minerals. The solution of minerals are then pumped back up.