APES Ch 23

Question 0

Minerals

Answer 0

Naturally occurring solid chemical element or inorganic compound with a crystal structure

Question 1

Rock

Answer 1

Solid aggregation of minerals

Question 2

Metal

Answer 2

Type of chemical element that is typically 
Lustrous 
Opaque
Malleable and
Can conduct heat and electricity

Question 3

Ore

Answer 3

Mineral or group of minerals in which we can extract metals

Question 4

Smelting

Answer 4

Heating ore beyond its melting point and combining it with other metals or chemicals

Question 5

Tailings

Answer 5

Portions of ore left over after metals have been extracted

Question 6

Strip mining

Answer 6

When layers of surface soil and rock are removed from large areas to expose the resource

Question 7

Acid drainage

Answer 7

When sulfide minerals in newly exposed rock surfaces react with oxygen and rain water to produce sulfuric acid

Question 8

Subsurface mining

Answer 8

Shafts are excavated deep into the ground and tunnels are dug

Question 9

Open pit mining

Answer 9

Digging a giant hole and removing the desired ore and all the waste rock and surrounding ore

Question 10

Placer mining

Answer 10

Using running water to separate lightweight mud and gravel from heavier minerals if value

Question 11

Mountaintop removal mining

Answer 11

Several hundred vertical feet of mountaintop may be removed to allow recovery of entire seams of a recourse

Question 12

Reclamation

Answer 12

Restore the site to a condition similar to its condition before mining