mining

Question 1

strip mining

Answer 1

used for oil sands and coal located in horizontal layers near the surface

Question 2

open pit mining

Answer 2

used for minerals near the surface

Question 3

underground mining

Answer 3

used for minerals deep within the earth

Question 4

3 main types of minerals

Answer 4

• industrial
• metallic
• fossil fuels

Question 5

give an example of industrial minerals and what theyre used for

Answer 5

diamond, potash, gravel / construction

Question 6

give an example of metallic minerals and what theyre used for

Answer 6

copper, silver, gold / beauty, strength, manufacturing, construction

Question 7

give an example of fossil fuels and what theyre used for

Answer 7

coal, oil / burned to produce energy

Question 8

how much of earth’s energy do fossil fuels provide?

Answer 8

66%

Question 9

minerals are only important if _________

Answer 9

they have economic value

Question 10

geologist

Answer 10

study rock structure and narrow the search for certain minerals

Question 11

prospectors

Answer 11

test sites for mineral composition using core samples

Question 12

sedimentary rock

Answer 12

rock formed in compressed layers

Question 13

industrial mineral

Answer 13

nonmetallic mineral used by industry and manufacturing

Question 14

igneous rock

Answer 14

rock created from molten magma

Question 15

metamorphic rock

Answer 15

rock changed by heat and pressure

Question 16

metallic mineral

Answer 16

a mineral that yields a metal when processed

Question 17

milling

Answer 17

the first step in the refining process that separates a mineral from its ore by crushing, separating, filtering and drying raw ore

Question 18

tailings

Answer 18

waste minerals which are a toxic mixture of water, rock particles, and chemicals left over from the milling process

Question 19

mineral reserve

Answer 19

mineral deposits that are economic to mine

Question 20

mineral

Answer 20

a valuable substance taken from rocks by mining