Mining Review Questions for Test/Quiz

Which does not correctly describe a mineral?

• A mineral is naturally occuring
• a mineral is organic
• a mineral is a solid
• a mineral has a chemical composition

Gold , silver and copper are ...

• nonmetallic
• native elements
• compounds
• gangue elements

Ore deposits form from....

• cooling of magma
• evaporation of water
• the circulation of hot -water solutions in rocks
• all of the above

Which of these economically important elements is a nonmetal?

• zinc
• titanium
• copper
• sulfur

Which is not a subsurface mining method?

• solution mining
• longwall mining
• quarrying
• room and pillar mining

Dredging would not be used to mine for...

• coal
• gold
• diamonds
• heavy minerals

Which of the following elements can cause the soil to become acidified?

• potassium
• calcium
• sulfur
• barium

What is the difference between ore and gangue minerals? Check the two that are correct.

• ore has no economic value
• gangue has no economic value
• ore has economic value
• gangue has economic value

What is the difference between an native element and compound?

Define solar evaporation.