Across
- 1. This type of mining removes the entire top of a large area to access the resource
- 3. This type of mining uses vertical shafts and networks of horizontal tunnels
- 4. Rocks are heated, melted, cooled, weathered as they slowly change between different types of rock
- 6. Some minerals form when the liquid in a solution evaporates and the remaining solids crystallize
- 8. A type of mining where layers of soil and rock are removed to expose the resource
- 9. Minerals with the same elements but different crystal structure
- 14. This mining involves sifting through material from riverbed deposits
Down
- 2. A form of water pullution as acid and metals leach from a mine as runoff
- 5. Digging a large hole to remove ore and unwanted rock
- 7. Waste products of mining
- 10. Naturally occurring, inorganic solid with a crystal structure and definite chemical composition
- 11. Solid mass of minerals and mineral-like material that occurs naturally
- 12. Heating ore beyond the melting point and combining it with other metals or chemicals
- 13. A mineral that is mined so that a metal or metals can be removed from it