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TOKYO, Aug 4 (Reuters) - Japan's JX Holdings Inc said its Caserones copper mine in Chile is running behind schedule and produced just 17,000 tonnes in copper concentrate over April-June as snow forced it to halt operations for several days, its executive said.
JX in May had set the aim to more than double Caserones' output to 137,000 tonnes in the year through March 2017, but it now expects to miss the target, Executive Officer Katsuyuki Ota told a news conference on the company's first-quarter earnings on Thursday.
The mine's ramp-up has been repeatedly delayed and its output for the 15 months through March 2016 came to 63,200 tonnes, less than half its original annual output target of 150,000 tonnes. (Reporting by Yuka Obayashi; Editing by Tom Hogue)