Across
- 3. Rock from which metal can be obtained
- 4. Used as a kiln using charcoal as fuel
- 5. What was the process of "medicine" in the Iron Age?
- 8. The currency of another country
- 11. What was the actual occupation of the "iron doctor" in the Iron Age?
- 13. Semi liquid mixture that contains fine sand
- 14. What is planted on mine dumps to limit dust and erosion?
Down
- 1. How many toxic compounds are found in mine dump dust?
- 2. What does mining negatively impact?
- 6. What does dried slurry create?
- 7. What gender dominated mining?
- 9. What produces intense heat when burnt?
- 10. Where are most of South Africa's gold mines?
- 12. Which university in Gauteng has a dust monitory system?
- 15. Acid mine drainage refer to what