NGLOY - Copper resumes upward march on concerns of Chile supply disruptions

Chile's copper mining industry is facing its biggest regulatory threat in more than three decades, after voters this weekend elected an assembly that places control of the writing of a new constitution largely with left-wing groups, with the ruling center-right coalition failing to win even enough support to exercise veto powers.After the weekend vote, Chilean stocks, bonds and currency fell, while copper futures closed +1.3% in London to $10,373/ton.ETFs: [[CPER]], [[JJCTF]], [[JJC]], [[ECH]], [[CH]]The makeup of the constitutional assembly leaves miners such as [[BHP]] and Anglo American ([[AAUKF]], [[NGLOY]]) vulnerable to tougher rules over water, glaciers, mineral and community rights, and may add momentum to legislation that would create one of the heaviest tax burdens in global copper mining, Bloomberg reports.The new constitution may include language that tightens guidelines for mining concessions and their environmental impacts, Fitch Ratings' Alejandra Fernandez says, with a key focus likely on water becoming a

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Copper resumes upward march on concerns of Chile supply disruptions