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Brazilian copper developer Avanco Resources (ASX:AVB) said today that it would double the company’s copper gold resources through the acquisition of the Pedra Branca Copper-Gold Project in Brazil's Carajas Mineral Province from Xstrata Copper.

Two of the 33 Chilean miners trapped during 69 days underground in 2010 are back in the mining world, after over a year of vain efforts to find a job, reports local online news site SoyCopiapo.cl.

Peruvians in the northern region of Cajamarca are not giving up easily in their fight over Newmont Mining's proposed Conga copper-gold mine.

Talks between the Ecuadorian government and Kinross Gold have stalled over the country's largest mine, Fruta del Norte.

Hecla Mining reported the largest resource calculation in company history today with 148 million ounces of silver reserves and 281 million ounces of resources. The silver numbers represented a 4% increase in reserves and a 13% bump in resources. Hecla also noted a 33% increase in gold resources to 597,600 ounces, while lead and zinc increased a respective 21% and 26%.

Arizona congressman Paul Gosar (R-Flagstaff), during a hearing today on the Department of the Interior's 2013 budget, took the opportunity to question Interior Secretary Ken Salazar on his department's opposition to a bill clearing the way for the proposed Resolution Copper mine near Superior, Arizona.

Canadian junior explorer Abcourt Mines (TSX-V:ABI) has intercepted a high-grade silver zone at its Abcourt-Barvue orebody in Quebec.

A week after announcing substantial profits and the expansion of their vast Western Australia iron ore operations, BHP Billiton (NYSE: BHP) and Rio Tinto (NYSE:RIO) said yesterday that they would spend $US 4.5 billion on the Escondida copper mine in Chile.

Brazillian miner Vale SA said Tuesday it is gradually resuming mining at its underground nickel operations in Sudbury, Canada.