Mining

Front

What is the definition of 'Ore'?

Back

A naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.

Front

What is subsurface mining?

Back

A form of mining that uses tunnels and shafts to bring ore to the surface.

Front

What is surface mining?

Back

Mining that is done above ground.

Front

What are the advantages of surface mining?

Back

It is cheaper and safer for miners compared to subsurface mining.

Front

What is subsurface mining?

Back

Mining that is done below ground.

Front

What is the main difference between surface mining and subsurface mining?

Back

Surface mining is conducted above ground, while subsurface mining is conducted below ground.

Front

What are some common methods of surface mining?

Back

Open-pit mining, strip mining, and mountaintop removal.

Front

What is open-pit mining?

Back

A surface mining technique where a large excavation is made to extract minerals.

Front

What is strip mining?

Back

A method of surface mining that involves stripping away the overburden to access minerals.

Front

What is mountaintop removal?

Back

A form of surface mining that involves removing the summit of a mountain to access coal seams.