il cha ▁mass if . ▁The ▁cable way ▁runs ▁from ▁the ▁mine ▁to ▁a ▁min ing ▁camp ▁() ▁and ▁from ▁there ▁to ▁A min cha ▁( ). ▁The ▁road ▁leading ▁up ▁to ▁the ▁mine ▁is ▁dated ▁ 1 9 7 2 ▁and ▁is ▁now ▁imp ass able ▁because ▁of ▁rock ▁falls . ▁There ▁is ▁still ▁a ▁re lic ▁network ▁of ▁roads ▁leading ▁up ▁to ▁. ▁ ▁Cov ellite ▁and ▁other ▁co pper ▁sul f ides ▁found ▁in ▁the ▁area ▁appear ▁to ▁have ▁formed ▁through ▁post vol can ic ▁ep ith erm al ▁min eral ization ▁above ▁deep ▁por phy ry ▁co pper ▁min eral ization . ▁The ▁sul fur ▁itself ▁formed ▁at ▁temper atures ▁of ▁ ▁in ▁a ▁now ▁ext inct ▁f umar ole . ▁ ▁Alt itude ▁and ▁habit ation ▁ ▁The ▁sul fur ▁mine ▁is ▁notable ▁for ▁being ▁the ▁highest ▁mine ▁in ▁the ▁world ▁at ▁ ▁and ▁the ▁highest ▁perman ently ▁inhab ited ▁area . ▁An ▁expedition ▁in ▁ 1 9 3 5 , ▁part ▁of ▁the ▁International ▁High ▁Alt itude ▁Ex ped ition , ▁found ▁that ▁min ers ▁lived ▁at ▁an ▁alt itude ▁of ▁ ▁in ▁the ▁town ▁of ▁Qu il cha ▁and ▁reached ▁the ▁higher ▁mine ▁on ▁foot . ▁The ▁expedition ▁found ▁that ▁an ▁even ▁higher ▁abandoned ▁village ▁at ▁ ▁existed , ▁but ▁min ers ▁refused ▁to ▁live ▁there . ▁The ▁conclusion ▁taken ▁from ▁the ▁expedition ▁was ▁that ▁ ▁was ▁the ▁highest ▁habit able ▁alt itude . ▁ ▁West ▁in ▁ 1 9 8 6 ▁reported ▁that ▁a ▁few