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Kazakh copper miner Kazakhmys plans to spend $6-billion over the next three to four years to upgrade its metal plants and develop energy and mining projects, the company's chairman said on Friday.

The deal, OZ's largest 100% acquisition since it emerged from the wreckage of the merger between Oxiana Ltd. and Zinifex Ltd. after the global financial crisis, could more than double the company's resources of copper and gold and consolidate its land holdings in the Gawler Craton, a geological region of South Australia which also holds OZ's main Prominent Hill asset and BHP Billiton

Barrick said Monday it wants to take advantage of a “rarely” available opportunity to buy a well-established, large copper miner by acquiring Equinox and beating a rival hostile bid for the company.<Chinese-owned Minmetals Resources submitted in its own hostile bid valued at $6.3 billion earlier this month, but withdrew its bid early Tuesday.

The Kingdom of Tonga this month became the first country in the world to put in place a law that manages seabed mineral activities within its national marine space and under its sponsorship in international waters.

The European parliament has passed a vote mandating European companies that extract non-ferrous metal ores anywhere in the world to disclose payments over €100,000 per year made to governments from 2015.

Digging up ore on an asteroid 50 to 500 metres wide in zero gravity will be a tough task, even for robots. What technology will you use?CL: The data the 300-series gathers will allow us to design the mining spacecraft. There are many, many different options for that. They could vary from very small spacecraft that swarm and cooperate on a bunch of tasks, to very large spacecraft that look seriously industrial. Before we can begin the detailed design of a mining spacecraft, we need to actually go there, explore the asteroid and learn where the specific opportunities are.

Antofagasta snaps up ex-Codelco chief

The growing global demand for minerals and rare earth elements in the recent years, coupled with declining resources on land has got stakeholders interested from across the world to explore the lucrative mineral resources beneath the surface of the seas and invest in deep sea mining.

Modelled on the Soviet system, the Chinese industry is instead divided by function, with geological bureaux given the task of finding a deposit and turning it over to a state-owned mining company for development. Economic reforms have added small privately owned miners to the mix and made it possible for the geological bureaux to develop some mines themselves. As a result of that system, most of China’s large mining companies know a lot about mine engineering and little about geology, and so prefer to invest in overseas projects that are already developed and close to producing.

The nearly $3 billion copper-silver mine is expected to add 300 tons of the precious grey material to the existing silver output from the rest of Codelco’s operations in the country

The mine also lost about 60 tonnes of copper during the incident.