SANTIAGO, Sept 11 (Reuters) - Chile state miner Codelco [RIC:RIC:COBRE.UL] produced 111,400 metric tons of copper in July, down 10.7% from a year earlier, the South American country's Cochilco copper commission announced on Wednesday, while other key miners saw mixed results.

The BHP-controlled Escondida (BHP.AX), mine lifted its production of the red metal in July by 29%, compared to the same month last year, to reach 106,500 tons. Meanwhile, the Collahuasi mile, jointly run by Glencore (GLEN.L) and Anglo American (AAL.L), saw output shrink 6% to 47,000 tons.