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This Feb. 23, 2011 photo shows a tour boat as it passes near the snout of Spegazzini Glacier in Los Glaciares National Park in Argentina. The country's decision was praised by environmentalists and marked a setback for one of the world’s biggest gold miners.The Associated Press

Argentina’s Supreme Court upheld the country’s glacier protection law Tuesday, rejecting an effort by mining giant Barrick Gold Corp. to have it declared unconstitutional.

The decision was praised by environmentalists and marked a setback for one of the world’s biggest gold miners.

Barrick argued that the 2010 law could affect its projects near glacial areas in Argentina. But the top court said Barrick had not proved that the law curbing mining on and around the country’s glaciers caused any damage to the company.

Barrick owns Pascua-Lama, a high-altitude mine that straddles the Argentina-Chile border. It also runs the Veladero mine in Argentina’s San Juan province.

Representatives at Barrick could not immediately be reached for comment.