Lesson 6: Ore Minerals

Question 1

natural rock or sediment containing one or more valuable mineral.

Answer 1

rock seam or ore

Question 2

these are rocks that contain minerals

Answer 2

mineral ores

Question 3

designates a natural occurrence of a useful mineral. it is a “geologic term”

Answer 3

mineral deposit

Question 4

denotes a mineral deposit of sufficient extent and concentration to invite exploitation. it is “economic” term.

Answer 4

ore deposit

Question 5

complete sequence of activities which aims to discover deposits of minerals and rocks that can be used to meet the resource needs of society.

Answer 5

mineral exploration

Question 6

initial stage of formulating a project.
(review of all available data, environmental, political and economical acceptability of the project)

Answer 6

project design

Question 7

involves physical exploration

Answer 7

field exploration

Question 8

field exploration (3 phases)

Answer 8

• regional reconnaissance
• detailed exploration
• prospect evaluation

Question 9

determines and validates the accuracy of all data and information collected.

to satisfy investors

Answer 9

pre-production feasibility study

Question 10

an analysis of a proposed project to determine whether it is feasible and should go ahead

Answer 10

feasibility study

Question 11

types of mining

Answer 11

• underground mining
• surface mining

Question 12

history of mining — archaeological discoveries indicate that mining was conducted in pre historic times.

Answer 12

history of mining

Question 13

first mineral used

Answer 13

flint

Question 14

process of mineral extraction from a rock seam or ore.

extracting useful minerals from the surface of the earth.

Answer 14

mining

Question 15

extract ore from deep under the earth’s surface

Answer 15

underground mining

Question 16

types of surface mining

Answer 16

• one-pit mining
• dredging
• strip mining
• placer mining

Question 17

• most common mining
• means “a big hole or pit in the ground”
• created by blasting explosives and drilling
• used to mine gravel and sand and even rock

Answer 17

one-pit mining

Question 18

process of mining minerals from bottom of a body of water including rivers, lakes, and oceans

Answer 18

dredging

Question 19

removal of soil and rock (overburden) above a layer or seam (particularly coal), followed by the removal of the exposed mineral

Answer 19

strip mining

Question 20

mining of stream bed deposits for minerals

Answer 20

placer mining

Question 21

art and technology of treating ores from the mining areas in order to separate the valuable minerals from the waste rock.

Answer 21

milling or minerals processing

Question 22

mineral exploration

Answer 22

project design
field exploration
pre-production feasibility study