VANCOUVER, British Columbia--(BUSINESS WIRE)--Capstone Copper Corp. ("Capstone†or the "Company†) (TSX:CS) (ASX:CSC) is pleased to announce that sulphide copper production at the Mantoverde mine in Chile has returned to full operating rates following a period of interrupted production due to a motor failure in the ball mill, as previously announced on August 31st. Five days of planned maintenance is still expected to be conducted at the end of September. ABOUT CAPSTONE COPPER CORP. Capstone Cop. ...