Show:
Minerals
Mining Process
Mining Methods
Mining Effects
Regulations & Recycling
100
What is one characteristic of a mineral?
What is inorganic solid, crystalline structure, occurs in nature, fixed composition.
100
The first step in mineral processing is....
What is crushing and grinding the ore.
100
What type of mining would be most likely used if a resource is concentrated in deep pockets in ground safe for tunnelling?
What is subsurface mining?
100
Erosion of soil from land that has been strip-mined can be controlled by
What is planting trees to hold in soil.
100
The use of public land for mining fossil fuels is regulated by the _______________________________ law
What is Mineral Leasing Act of 1920
200
What mineral is extracted so it can be used in concrete
What is sand?
200
Name one mineral that must be extracted from an ore.
What is [any metal]
200
A mineral found in shallow horizontal deposits is likely to be mined by
What is strip mining?
200
Which of the following is a natural process accelerated by mining?
What is erosion & acid drainage
200
The amount of mining and extracting aluminum can be reduced if people ___________________
What is recycle beverage cans
300
Name one mineral mined as a fuel source
What is coal/uranium/oil sand
300
The process of heating an ore and combining with other substances is called ______
What is smelting.
300
Tunnels for extracting and removing coal must be dug in _____________________ mining
What is subsurface mining?
300
What harmful effects can occur due to undersea mining?
What is habitat destruction, coral reef loss, etc.
300
Which of the following mining law is concerned with activities after mining is complete?
What is the Surface Mining Control and Reclamation Act?
400
How are metamorphic rocks formed?
High heat and pressure on existing rocks
400
Explain the how minerals are separated by froth flotation.
What is crushed ore is mixed with chemicals, minerals rise to the top and are removed
400
What mining method is leads to extreme water pollution and clogged waterways
What is mountaintop removal mining?
400
How can strip mining affect animal populations?
What is loss of habitat
400
What causes over $300 million of mineral waste in the U.S. alone?
What is unused cell phones?
500
Salt deposits are formed by what process
What is precipitation from ocean water?
500
Large quantities of ____________________ are stored in impoundment dams.
What is tailings
500
What type of mining method would be best used to mine a deposit along a riverbed?
What is placer mining?
500
What health hazards are associated with mining?
What is lung disease, water pollution, etc
500
What were the first protections offered by law to coal miners?
What is ventilation in coal mines and no children under 12.