The South American nation lost the title to China in 2012.
The Vancouver-based miner's shares surge after its silver and gold properties in Mexico and Peru up production more than 50%.
Chinese buyers cough up $6.3 billion in cool hard cash for massive Peru copper project indicating renewed confidence in prospects for the red metal.
The ruling was sparked by inspections carried out from March 16 to March 20 that detected contaminants in adjacent lakes.
They want the government to ease a regulation that forces more than 70,000 miners to register their mining activities by April 19 or otherwise face sanctions, including jail.
This is the first statement in which MMG has confirmed its intention to buy Las Bambas.
Las Bambas copper mine, located in Peru, is expected to fetch between $5 and $6 billion.
Combined estimate investment exceeds $13 billion, says the government.
Despite the gloomy results, the commodities giant revenues for the year jumped 9% to $232.6 billion
Peruvian copper projects are solid, competitive and less costly in terms of energy needs, says the expert.
Last year alone there were 149 conflicts involving mines in the country.
Contract security guard was freed early Friday.
Includes involvement of police and military forces.
Together with the other three members of he Andean Community of Nations —Ecuador, Peru and Bolivia— the country has committed to destroy machinery and even properties that can’t be seized.
Predictions of a hard landing in China will not pan out and global emerging market growth will accelerate in 2014 lifting demand for metals and minerals.
After meeting with locals, authorities said the company is likely to gain a social license to restart operations in 2014.
Miners claim that while they have been trying to legalize their activities for years, mining companies have a much easier time getting their activities regularized with authorities.
Once confined to Peru and Colombia, the shady business has spread out to neighbouring countries and is generating up to five times more revenue than drug trafficking.
Work is likely to restart within the next 90 days, a top government official said following a public meeting with local residents.
The potential is appealing. Peru holds13% of the world's copper reserves, 4% of gold, 22% of silver, 7.6% of zinc, 9% of lead and 6% of tin reserves.
Peru is "working hard" to start large scale copper projects put on hold by community and environmental protests.
Canada accounted for just over 13% of the total, the smallest share in 14 years. The DRC made it to the top 10 mining destinations for the first time.
Peru’s Minister of Energy and Mines Jorge Merino expects sale to close before the 2014 deadline.
The Peruvian copper project, halted in 2011 after clashes between residents and police that left three dead, could began production about a year ahead of schedule.
Goldcorp and Grupo Mexico may need to take billions of dollars in planned investments to other markets.
Chinalco and Minmetals have been invited back to conduct due diligence and make a second bid, insiders said.
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