1.3 How do minerals form

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 tempertures and pressures deep blow the grounnd can cause the minerals in a rock to chance into diffrent minerals.

Answer 2

Metamorphis

Question 3

Surface water and gound carry disved minerals in to lakes or seas. The minerals can crysallize on the bottom of the lake or sea.

Answer 3

Depoition

Question 4

Water undergournd can be heated rock. the hot water can dissolve some minerals and deposit other minerals in there places.

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 mineral is hight enogh for the material to be profitably.

Answer 6

ore

Question 7

The process of returning land to it’s origal condition after mining is completed.

Answer 7

reclamation

Question 8

Some nonmetsllic minerals are consied valable becaues of their beuty or rarity.

Answer 8

gemstones