The Phoenix, Arizona-based copper miner reported a lower-than-expected quarterly profit on Tuesday as red metal sales missed the company's forecast.
The iron ore producer reported a 2 percent fall in third-quarter iron ore shipments on reduced demand in China.
Barrick Gold Corp reported a slightly better than expected increase in first-quarter adjusted profit on Monday.
Indonesian coal miner Adaro Energy is targeting coking coal output of 1 million tonnes this year, up from 740,000 tonnes in 2017.
Chalco produced approximately 3.61 million tonnes of aluminium last year, according to a filing to the U.S. Securities and Exchange Commission last week.
KGHM also said in a statement that silver sales fell in the same quarter by 16 percent to 212.6 tonnes.
Aluminum prices on the London Metal Exchange tumbled more than 8 percent after the U.S. Treasury Department announcement.
The move is likely to happen early next year and last for three months, after which pricing will return to the ring.
China already actively seeking opportunities.
Along with Argentina and Chile, Bolivia is part of South America's so-called "lithium triangle."
"We cannot live with full confidence with the risk of being hit by those measures"
SQM, which operates primarily in Chile's Salar de Atacama, is one of the world's largest and most cost-efficient producers of lithium.
Rusal's 90 percent owned Bauxite Company of Guyana produced 1.05 million tonnes of bauxite - the raw material used to make aluminium - last year.
Chinese interest in Greenland comes after Beijing expressed ambitions to form a "Polar Silk Road" by developing shipping lanes opened up by global warming.
The illegal miners at Smithfield last month told Grace that she no longer had any power to evict them.
Chilean copper commission Cochilco forecast on Friday that Chile would produce 5.76 million tonnes of the red metal in 2018.
Former leader Robert Mugabe will have to answer questions next month about whether the state was deprived of $15 billion in diamond revenue.
With Russian aluminium producer Rusal imploding in the wake of U.S. sanctions against its oligarch owner Oleg Deripaska, attention is now turning to the status of another Russian industrial powerhouse, Norilsk Nickel.
The South American nation hopes to sign a deal with a foreign partner after a decade of state-led development left output far short of goals for the metal.
As supply fears grow, the market's attention is turning to China as a potential source of aluminium.
Shares of Labrador Iron Ore, which has a 15 percent stake in the company, fell 5 percent.
The Perth-based miner plans to raise its Australian manganese production by 6 percent to 3.3 million wet metric tonnes.
Spodumene is a mineral mined as a source of lithium, a key ingredient in electric vehicle batteries, for which China is the world's biggest market.
The strike at the company’s Loulo and Gounkoto mines is related to the payment of bonuses and will continue until the issue is resolved.
The miner cut its fiscal 2018 production guidance to between 272-274 million tonnes of iron ore from 275-280 million tonnes.