Exploring Underground Mining

What are the different types of underground mines?

• Open-pit mines

• Shaft mines, slope mines, drift mines, room and pillar mines

• Placer mines

• Quarry mines

Why might a company choose underground mining over surface mining?

• To enhance visibility and safety for workers.

• To increase surface area for mining activities.

• To reduce operational costs significantly.

• To access deeper mineral deposits and minimize surface environmental impact.

What are some environmental issues associated with underground mining?

• Habitat destruction, groundwater contamination, soil erosion, and release of harmful substances.

• Improved air quality

• Enhanced soil fertility

• Increased biodiversity

What is the stripping ratio in mining?

• The stripping ratio is the volume of overburden divided by the volume of ore extracted.

• The stripping ratio is the cost of mining divided by the profit from ore.

• The stripping ratio is the weight of ore divided by the weight of overburden.

• The stripping ratio is the depth of the mine divided by the area of the mine.

What are the different types of openings in underground mines?

• drifts

• tunnels

• Shafts, adits, declines, raises

• canals

How does the depth of a mine affect the choice of mining method?

• Deeper mines typically require underground mining methods, while shallower mines can use surface mining.

• Mining methods are unaffected by the depth of the mine.

• Shallower mines require more advanced underground techniques.

• Deeper mines always use surface mining methods.

What are the advantages of underground mining?

• Higher operational costs

• Limited access to deeper deposits

• Increased surface disturbance

• Advantages of underground mining include reduced surface disturbance, access to deeper deposits, improved safety, and efficient mineral extraction.

What are the disadvantages of underground mining?

• Minimal environmental disruption

• Increased job opportunities

• Lower energy consumption

• Disadvantages of underground mining include high costs, safety hazards, environmental impacts, and transportation challenges.

How does underground mining impact local ecosystems?

• Underground mining enhances local ecosystems by creating new habitats.

• Underground mining negatively impacts local ecosystems by causing habitat destruction, water contamination, and altering landforms.

• Underground mining improves water quality in nearby rivers.

• It has no significant effect on local ecosystems.

What safety measures are typically implemented in underground mines?

• Daily yoga sessions

• Mandatory social events

• Safety measures in underground mines include ventilation systems, structural inspections, PPE, emergency response plans, and safety training.

• Regular coffee breaks