Mining Techniques

1. Which mining technique involves extracting minerals from deep below the earth's surface?
2. Which process is rife with environmental concerns due to its potential to contaminate water sources?
3. In which mining technique is water used to dislodge, transport, and recover valuable minerals?
4. Which mining method is typically used to acquire gemstones, metals, and other materials in river and stream beds?
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?
6. In which mining method is a large excavation (or 'pit') created in the ground?
7. What type of mining involves tunneling directly into a deposit?
8. Which mining technique involves treating crushed ores on large open-air pads with a weak cyanide solution?
9. Which type of mining uses a dragline to remove the overburden?
10. Which type of mining is largely dependent on the sediment found within a river and its banks?
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