Module 19

Question 1

Mining

Answer 1

The excavation of Earth for the purpose of extracting valuable minerals

Question 2

Metallic minerals

Answer 2

Mines for their metals

Question 3

Nonmetallic minerals

Answer 3

Mines to be used in their natural state

Question 4

Mineral deposit

Answer 4

An area in which a particular mineral is concentrated

Question 5

Ore

Answer 5

A rock mineral from which a valuable substance can be extracted for profit

Question 6

Reserve

Answer 6

A known quantity of a resources that can be economically recovered

Question 7

Surface mining

Answer 7

A mining category that removes ore or mineral deposits close to earths surface

Question 8

Strip mining

Answer 8

A surface mining technique where soil and rock are removed in strips to expose ore

Question 9

Tailings

Answer 9

Spoils

Question 10

Smelting

Answer 10

When heat or chemical solvents are used to extract metals from mineral ores

Question 11

Open-pit mining

Answer 11

A surface mining technique that involves the creation of a large pit to extract resources

Question 12

Mountaintop removal

Answer 12

A surface mining technique that involves the creation of a large pit to extract resources

Question 13

Placer mining

Answer 13

A surface mining technique that looks for metals and precious stones in river sediments

Question 14

Subsurface mining

Answer 14

A known quantity of a resource that can be economically recovered

Question 15

Mining law of 1872

Answer 15

This act encouraged exploration and mining of mineral resources

Question 16

Surface mining control and reclamation act of 1977

Answer 16

This act requires mined land be restored to its pre-mining state