Rio Tinto, the world's No. 2 mining company by market value, on Thursday reported a drop in iron-ore production and shipments from its Australian mines. Fourth-quarter and full-year output and exports ...
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This offset geotechnical challenges at Kennecott as instabilities in the pit wall impacted the mining sequence from the second quarter." On Kennecott copper mine: "Mined copper production was 35% ...
Every day, these giant dump trucks move millions of pounds of rock at Kennecott's Bingham Canyon Mine. As you look at the dump trucks, hauling ore out of the largest open pit copper mine in the ...