Glencore own-sourced copper production was down 3% to 1.502m tonnes in 2015, reflecting the suspension of processing operations at Katanga and a significant curtailment at Mopani.
Rio Tinto has swung to a FY pretax loss of USD726m, from a profit of USD9.55bn a year earlier. Consolidated sales revenue was USD34.83bn, from USD47.66bn. It maintained its FY dividend at 215p a share.
European Metals said a geological model completed as part of its development of the Cinovec lithium/tin deposit has identified shallow, higher grade lithium zones.