PERTH (miningweekly.com) – The Tembang gold mine, in Indonesia, delivered 2 743 oz of gold and 63 992 oz of silver during the three months ended December 31, after delivering its first gold in September last year.
Owner Sumatra Copper & Gold said on Monday that the Balinau underground mine continued to ramp up to full production during the quarter, with 8 439 t of ore mined during the quarter, at an average grade of 5.53 g/t gold and 132 g/t silver.
Openpit mining also continued to ramp up during the quarter, with 92 278 t of ore delivered, at an average grade of 0.86 g/t gold and 21.7 g/t silver.
During the quarter under review, Sumatra sold 804 oz of gold and 32 151 oz of silver, generating revenue of $1.3-million.
At full production, Tembang is expected to produce about 33 000 oz/y of gold and 345 000 oz/y of silver at a cash operating cost of $470/oz.