1.3 The Formation, Mining, and Use of Minerals

Question 1

When a body of salt water dries up, minerals are left behind. As the water evaporates, the minerals crystallize

Answer 1

Evaporation

Question 2

High temperature and pressures deep below the ground can cause the minerals in rock to change into different minerals

Answer 2

Metamorphism

Question 3

Surface water and ground water carry dissolved minerals into lakes or seas. The minerals can crystallize on the bottom of the lake or sea.

Answer 3

Deposition

Question 4

Water underground can be heated by hot rock. The hot water can dissolve some minerals and deposit other minerals in their place

Answer 4

Reaction

Question 5

Melted rock can cool slowly under Earth’s Surface. As the melted rock cools, minerals form.

Answer 5

Cooling

Question 6

A natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably

Answer 6

Ore

Question 7

the process of returning land to its original condition after mining is complete

Answer 7

Reclamation

Question 8

These mining methods are used when mineral deposits are located too deep with in the Earth to be surfaced mine

Answer 8

Subsurface Mining

Question 9

When minerals deposits are located at or near the surface of the Earth you use

Answer 9

Surface Mining

Question 10

They give gemstones their color

Answer 10

Impurities