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Mines in the sky
Author(s) -
OPPENHEIMER CLIVE
Publication year - 1993
Publication title -
geology today
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.188
H-Index - 17
eISSN - 1365-2451
pISSN - 0266-6979
DOI - 10.1111/j.1365-2451.1993.tb00983.x
Subject(s) - geology , volcano , sky , mining engineering , earth science , physical geography , seismology , meteorology , geography
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.