Mining Review

Which type of mining would not be used to mine coal?

• strip mining

• mountaintop removal

• solution mining

• subsurface mining

What type of mining would most likely be used when a mineral resource is spread evenly and deeply throughout a rock formation, but the ground is not safe for tunneling?

• placer mining

• solution mining

• subsurface mining

• open pit mining

Which mining method contributes to excessive erosion, increased sediment, water pollution and air pollution?

• undersea mining

• placer mining

• solution mining

• mountaintop removal

A main goal of the General Mining Law of 1872 was to

• outline the rules for mining on public land.

• set up royalty rates for miners to pay on their profits.

• ensure the safety of miners.

• ensure that limited mining occurred on public land.

Which is not a benefit of recycling minerals?

• fewer dangerous metals will get into landfills.

• recycling fossil fuels increases how long they will be available.

• often recycling costs less than mining.

• recycling may have less of an environmental impact than mining.

Which mining method is not widely used due to the extreme costs?

• placer mining

• undersea mining

• strip mining

• mountaintop removal

The mining method in which material from riverbeds and streambeds is sifted for deposited resources is called ______________.

• strip mining

• undersea mining

• placer mining

• solution mining