2 Flashcards
(52 cards)
What is the primary method of surface mining?
Open-pit mining
True or False: Underground mining is used for extracting minerals located deep beneath the Earth’s surface.
True
Fill in the blank: __________ mining involves removing soil and rock above a mineral deposit.
Strip
Which type of mining uses high-pressure water jets to dislodge rock material?
Hydraulic mining
What is the main environmental concern associated with mountaintop removal mining?
Destruction of ecosystems
What type of mining is typically used for coal extraction?
Surface mining
True or False: Placer mining is mainly used for extracting precious metals from riverbeds.
True
Name one advantage of underground mining over surface mining.
Less land disturbance
What does the term ‘reclamation’ refer to in mining?
Restoring land after mining operations
Which mining method is characterized by the use of tunnels and shafts?
Shaft mining
Fill in the blank: __________ mining is used for extracting minerals from alluvial deposits.
Placer
What is a common method for extracting gold from ore?
Cyanide leaching
True or False: Subsurface mining is safer than surface mining.
False
What type of mining involves the extraction of minerals through boreholes?
Solution mining
What is the primary purpose of drilling in mining?
To locate mineral deposits
Which mining method is often associated with significant water pollution?
Coal mining
True or False: Open-pit mining is suitable for extracting minerals that are located close to the surface.
True
What type of mining is often used for extracting diamonds?
Open-pit mining
Fill in the blank: __________ mining uses a series of tunnels to access mineral deposits.
Underground
What is a disadvantage of strip mining?
It can lead to soil erosion.
What type of mineral is typically extracted using hydraulic mining?
Gold
True or False: Mining operations can have long-term impacts on local communities.
True
Which mining technique is considered the least environmentally damaging?
Subsurface mining
What is the main goal of mineral exploration?
To identify and evaluate mineral resources
