Miners' decisions to invest in mine expansions despite falling gold and silver prices are starting to pay off as production rises and costs drop, helped by recent price improvements.
The Dutch company and Brazilian holding Colorminas teamed up in 2003 to produce and sell feldspar from tailings generated by the former's tantalum operations.
The latest news from junior mining companies operating in Mexico, Nicaragua and Peru.
Mining exploration companies Hot Chili, Crusader Resources and Caza Gold provide operating updates.
The Swiss commodities giant, which posted a loss of US$615mn for the first half, reveals the Chilean copper mine will probably be offloaded despite earlier reports that sale plans had been scrapped.
Mexican precious metals miners report production and financial results.
The controllers of the Brazilian pellet maker - Brazil's Vale and Australia's BHP Billiton - are reportedly scheduled to announce next week the results of an external investigation.
Reuters reported the leak at Canadian miner Goldcorp's Peñasquito, the country's largest gold mine.
A string of large, suspended silver projects remain marginal despite higher prices, and are unlikely to get the green light without being scaled down, Raymond James analyst Chris Thompson tells BNamericas.
The latest news from junior miners operating in Argentina, Mexico and Ecuador.
Arbitration tribunal awards Rusoro Mining US$1.2bn in Venezuela dispute