Copper

Sierra Metals is doubling the mill capacity at its Bolivar copper-zinc-silver mine in Mexico to 2000 tonnes per day. Source: Sierra Metals

Sierra Metals keeps faith in exploration

There are two ways to look at the current rough conditions in the mining equity markets: investors can believe in the “sky is falling” scenario and stay clear for an indeterminate period of time, or they can see present conditions…


Looking northwest at the Samaniego pit at McEwen Mining's El Gallo 1 gold-silver mine in Sinaloa, Mexico. Source: McEwen Mining

McEwen Mining’s record Q2, new optimism on Argentina

Even with an after-tax, non-cash impairment charge of US$123.6 million related to the decline in metal prices and potential costs associated with a 1% tax on economically viable mineral reserves in Argentina’s Santa Cruz province, McEwen…





Construction at Barrick's Cortez gold mine in Nevada. Source: Barrick Gold

Barrick takes US$8.7B impairment charge

Barrick Gold (TSX: ABX; NYSE: ABX) is writing down the value of its assets by US$8.7 billion and slashing its quarterly dividend in response to the recent decline in metal prices.  


A drill site at Corbiza Metals' Arikepay copper-gold porphyry project in Peru. Source: Cobriza Metals

Candente eyes Cobriza to boost opportunities

The whole appears greater than the sum of its parts for Candente Copper (TSX: DNT), which is acquiring Cobriza Metals (TSXV: CZA; US-OTC: CBZMF) — a company it spun out in late 2011 — to survive and hopefully thrive in a harsh…


Ecuador Gold and Copper boosts resources at Condor

VANCOUVER — The jurisdiction may not be ideal given recent events, but Calgary-based explorer Ecuador Gold and Copper (TSXV: EGX) is outlining some sizable resources at its Condor gold-silver-copper project in Ecuador’s Zamora…


A truck at Turquoise Hill Resources' Oyu Tolgoi copper-gold mine in Mongolia. Source: Turquoise Hill Resources

Underground work delayed at Oyu Tolgoi

Shares in Turquoise Hill Resources (TSX: TRQ; NYSE: TRQ) plunged nearly 20% after the miner’s parent company Rio Tinto (NYSE: RIO; LSE: RIO) halted underground work at the Oyu Tolgoi mine until the Mongolian parliament…


NovaCopper's Arctic polymetallic project in northwest Alaska's Ambler mining district. Source: NovaCopper

NovaCopper defines open-pit mine in Alaska

NovaCopper (TSX: NCQ; NYSE-Arca: NCQ) — a junior explorer that NovaGold Resources (TSX: NG; NYSE-Arca: NG) spun out early last year to explore and develop its Upper Kobuk mineral projects in the Ambler mining district of northwestern…



The Cauquenes tailings pond at Amerigo Resources' MVC copper-moly tailings operation in Chile. Source: Amerigo Resources

Amerigo extends tailings deal until 2037

The El Teniente mine in the Chilean Andes has been producing copper since 1904, and Codelco believes the underground copper mine — the world’s largest, with more than 2,400 km of subterranean tunnels — has many more decades to…


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