HomeBase MetalsLumwana sets new production records

Lumwana sets new production records

Part of the conveyor
system at Lumwana
copper mine in Zambia
Toronto, Canada — MININGREVIEW.COM — 13 July 2010 – Production performance at the Lumwana copper mine in north-west Zambia continued to improve in the second quarter of 2010 with a record 43 835 tonnes of copper produced in concentrate.

Releasing this information in a statement issued here, the owners “’ Toronto and Australian-listed Equinox Minerals Limited “’ revealed that production for the first half of 2010 now stood at 74 306 tonnes of copper in concentrate, adding that the company was maintaining its guidance for 2010 of 135 000 tonnes of copper production.
The statement added that record ore mined (5.09Mt), ore milled (4.57Mt), head grade (1.02%) and copper recovery (94%) had resulted in the production of 43 835 tonnes of copper, which was 44% higher than the previous quarter and 80% higher than the corresponding quarter of 2009. Although still impacted by some wet weather early in the second quarter of 2010, total material moved was 26.6mt, representing an annualised rate in excess of 100mt, while ore mined exceeded 5mt (equivalent to 20mtpa) for the first time.

It pointed out that improvements in mobile equipment availability, equipment utilisation and productivity had all contributed to the improvement in material mined.

The company went on to explain that, in addition to the 5.09Mt of copper ore mined during the quarter, mining of the uranium zones at Valeria South and Valeria North within the Malundwe pit had continued during the quarter, with 1.15Mt of uranium-copper ore mined. The Lumwana uranium-copper ore stockpile on the ROM pad had increased to 4.20Mt, grading 924 ppm uranium and 0.8% copper. This uranium-copper ore was being diverted away from the copper concentrator to stockpiles, and was being classified as waste to the copper project.

“This uranium-copper ore stockpile may be treated at a later date, if and when the company builds a uranium plant,” Equinox said.