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Escondida, which is majority, owned by global miner BHP Billiton, produced 301,001 tonnes of copper concentrate and 151,407 tonnes of copper cathodes during the period, the operator said in a statement. It did not refer to a two-week strike which started in July and halted output.
It said however earnings rose due to high international copper prices, boosting profits 23 percent in the first half of the year from the same period in 2010 to $1.98 billion.
Copyright Reuters, 2011