Copper

Thousands of workers at one of the world’s biggest gold and copper mines started returning to work Wednesday, ending a nearly two-week strike that brought operations to a standstill. Union chief Sudiro, who goes by only one name, said the decision was made after Freeport-McMoRan’s management agreed to reinstate six fired labor leaders and reopen negotiations about wages and benefits on July 20.

The prospect of mining the ocean floor may seem far-fetched, but China, motivated by its insatiable hunger for resources, has opened its eyes to the idea. According to a story in The Japan Times, China will attempt to plunge the Jialong - the world's deepest-diving manned submersible - 5,000 metres below the surface of the Pacific Ocean between Hawaii and North America, exceeding the craft's previous depth of 3,759 metres.

Northgate Minerals announced on Wednesday that it will acquire Primero Mining for $370 million. The new company, which will have a combined market capitalization of approximately $1.2 billion, will be a mid-tier gold producer and will tie together the San Dimas mine in Mexico; the Fosterville and Stawell gold mines in Australia; and the Young-Davidson gold development project in Ontario.

Fluor Corp said on Wednesday it won a contract from Quadra FNX Mining Ltd for work on its new Sierra Gorda copper and molybdenum project in Chile. Fluor said it booked $1 billion for the project in the Atacama Desert in the second quarter, and its work will include providing engineering, production and construction management services for the mine's processing plant.

Federal authorities have shut down 12 mines in northern Mexico after inspections spurred by an accident last month that claimed the lives of 14 workers, the labor department said. Inspectors have already visited 41 of the 100 sites on their list, the department said in a statement.

Zambia's Daily Mail reports Zambia is set to enter the world’s top five copper producers in the next three years as Vale South Africa, First Quantum Minerals Limited and Vedanta Resources Plc lead more than US$6 billion of investment in the country’s mines, an analyst at Wood Mackenzie unit Brook Hunt has said.

Chinese imports rose for the first time in three months in June as buying from overseas became profitable and supply tightened after consumers drained local stockpiles. There are “strong signs” that the country will “come back and buy in a more aggressive way,” according to Codelco, the top producer. Prices slid 3.7 percent in the first six months of the year as demand waned. The metal has gained 46 percent in the past year, reaching a record $4.6575 on Feb. 15.

It has been reported that copper output in Zambia, Africa's top producer of the metal declined to 308,777 tonnes in the first five months of 2011 from 326,877 tonnes in the same period last year, the central bank said.

The ruins poke out of a monotonous stretch of scrub and beckon the world to visit Afghanistan as it was more than 1,400 years ago, when Buddhist monasteries dotted the landscape. An ancient citadel juts from a tall crag, standing sentinel over what once was a flourishing settlement. Image is from Reuters Video.