what machinery is required for iron ore mining
mining 24 hours a day with robots mit technology review. mining company rio tinto has 73 of these titans hauling iron ore 24 hours a day at four mines in australia''s mars red northwest corner. at this one, known as west angelas, the vehicles work alongside robotic rock drilling rigs. the company is also upgrading the locomotives that haul ore hundreds of miles to port—the upgrades will allow ...