Mining Rehabilitation

Question 1

Why would you chose an open cut mine

Answer 1

When ore deposits are close to the surface and a whole is cut to expose the ore body
Used for iron, coal, copper, zinc, lead, gold, nickel

Question 2

When do we use underground mines

Answer 2

For ores situated deep underground

Question 3

What is geosequestration

Answer 3

Capturing and long term storage of carbon dioxide within rocks and sediments.
1capture co2
2seperate it from other gases
3compress then transport
4inject into underground geological reservoirs
5monitor

Question 4

What is an EIA

Answer 4

Environmental impact assessment
an assessment of the impacts a mining project will have on the environment to consider if it’s feasible to proceed

Question 5

What are some possible rehab conditions a mining company must agree to

Answer 5

Compacted surface of truck tracks need to be Broken up to promote regrowth
Drill holes must be capped to prevent small animals from falling and erosion
Trenches must be refilled
Sups constructed to contain saline ground water must be back filled.

Question 6

What are some negative impacts of an open cut mine to humans

Answer 6

Noise pollution
Dust
Vibrations
Air blasts
Water contamination

Question 7

Types of drilling and uses

Answer 7

Onshore - petroleum or coal seam gas (fracking)
Offshore - fixed platforms or ships for oil and natural gas

Question 8

What does a mining company need consider for it to be viable

Answer 8

high concentration of target material
Must be economically viable
Location