Across
- 2. A sheet of ore found inside rocks
- 4. A type of mine that is exposed to the open air
- 5. A material that we attribute value to for it's beauty and rarity
- 8. An area in Alberta rich in crude oil and bitumen
- 9. The act of mining an ore and leaving behind an open space.
- 10. A material found naturally in the ground with a well defined chemical structure
- 11. A type of rock that is common on the surface and comparatively weak
- 12. Rock and stone, brother!
Down
- 1. 3 iron, 2 sticks
- 3. Reinforcements for tunnels
- 6. The act of extracting ore from the Earth
- 7. A stereotypical gold miner