Not many people are employed in mining in Spain.
- Gravel and sand are extracted from gravel pits.
- Marble and granite are extracted from quarries.
- Mercury is found in a mineral called cinnabar. Cinnabar is extracted from mines.
- Coal is extracted from mines deep beneath the ground.
 |
| Gravel pit, picture by Dwight Burdette on Wikipedia |
 |
| Liquid Mercury, picture from Wikipedia |
No comments:
Post a Comment