Across
- 2. The change of rocks from one type to another type is known as
- 5. Process by which a denser oceanic plate slides under a continental plate
- 6. Large waves generated in the ocean by an earthquake, landslide or volcanic activity are called
- 9. Type of plates you expect to find at the Mid-Atlantic Ridge
- 10. One big environmental problem with smelting is
- 12. Most likely type of mining that would be used to mine coal on hilly terrain
- 14. A human health impact associated with subsurface mining would be
- 15. One of the most commonly mined minerals used to make glass, bricks, and concrete is
Down
- 1. Substitute for mineral resources still requires heavy use of oil and other fossil fuels
- 3. Commonly used to extract gold from rock in Australia and North America
- 4. The San Andreas Fault line that lies in California is a result of what type of plate boundary?
- 5. Waste soil and rock removed during surface mining is called
- 7. The portion of ore that does not contain the desired mineral
- 8. A rock that contains a large enough concentration of a metal that it can be mined for economic value is
- 11. Type of rock is formed directly from magma or lava
- 13. The type of mineral extraction that is least likely to disturb land area