Mines in the sky
Abstract
The highest working mines in the world extract bright yellow deposits of sulphur from the peaks of towering volcanoes in the Central Andes. Workers and machinery must cope with the extreme environment at up to 6000 metres above sea level.
- Publication:
-
Geology Today
- Pub Date:
- March 1993
- DOI:
- 10.1111/j.1365-2451.1993.tb00983.x
- Bibcode:
- 1993GeolT...9...66O