Quiz Forever
Mining Techniques
1. Which mining technique involves extracting minerals from deep below the earth's surface?
Underground mining
Open pit mining
Mountain top removal
Alluvial mining
2. Which process is rife with environmental concerns due to its potential to contaminate water sources?
Heap leaching
Hard rock mining
Dredging
Hydraulic mining
3. In which mining technique is water used to dislodge, transport, and recover valuable minerals?
Hydraulic mining
Open pit mining
Underground mining
Placer mining
4. Which mining method is typically used to acquire gemstones, metals, and other materials in river and stream beds?
Mountaintop removal
Subsurface mining
Drift mining
Placer mining
5. What term refers to the process of using large machines to move massive amounts of soil and rock in order to expose coal seams?
Placer mining
Mountaintop removal
Heap leaching
Underground mining
6. In which mining method is a large excavation (or 'pit') created in the ground?
Open pit mining
Mountaintop removal
Placer mining
Underground mining
7. What type of mining involves tunneling directly into a deposit?
Open pit mining
Dredging
Hard rock mining
Hydraulic mining
8. Which mining technique involves treating crushed ores on large open-air pads with a weak cyanide solution?
Hydraulic mining
Heap leaching
Placer mining
Open pit mining
9. Which type of mining uses a dragline to remove the overburden?
Dredging
Heap leaching
Mountaintop removal
Hydraulic mining
10. Which type of mining is largely dependent on the sediment found within a river and its banks?
Open pit mining
Heap leaching
Placer mining
Hard rock mining
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