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SANTIAGO, March 18 (Reuters) - Chile has fined the Caserones copper mine in northern Chile $11.9 million for breaching environmental rules, its environmental regulator said on Wednesday.
The fine was for a number of infractions, including failure to implement mitigation measures to prevent the contamination of underground water supplies, said the SMA regulator.
Caserones, which began commercial operations last year, is 75 percent-owned by Japan's top copper smelter, Pan Pacific Copper, a business controlled by JX Nippon Mining, and 25 percent-owned by Japanese trading house Mitsui & Co Ltd .
Reporting by Rosalba O'Brien; Editing by Steve Orlofsky