Front

What is subsurface mining?

Back

Extraction of a metal ore or fuel resource from a deep underground deposit.

Front

What is overburden in mining?

Back

Soil, vegetation, and rocks that are removed to access an ore deposit below.

Front

Which type of mining is considered the most destructive?

Back

Mountaintop mining is the most destructive and difficult to reclaim.

Front

What type of mining disturbs more land?

Back

Surface mining is associated with disturbing more land.

Front

How can miners be responsible after mining?

Back

Miners can reclaim or clean up the land when they're finished taking all the minerals.

Front

What is open-pit mining?

Back

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

Front

What are tailings?

Back

Waste materials left over after the extraction of valuable minerals from ore.

Front

Define contour strip mining.

Back

A method of mining that involves stripping away the overburden in a series of horizontal strips.

Front

What is the purpose of reclamation in mining?

Back

To restore the land to its original state or to a usable condition after mining operations.

Front

What is the difference between surface mining and subsurface mining?

Back

Surface mining involves removing soil and rock above the ore, while subsurface mining involves extracting ore from deep underground.