ELIAS BIRYABAREMA UGANDA said it was inviting expressions of interest from investors to restart a vast copper mine in the country's west that also holds significant cobalt deposits. The Kilembe mine, which sits on the foothills of the ice-capped Rwenzori mountains on the border with the Democratic Republic of the Congo, is estimated by government geologists to contain about 4 million tonnes of ore that is 1.98% copper and 0.17% cobalt. "We have invited companies to express their interest in partnering with the government through a mineral production sharing agreement," Uganda's finance and mining ministers said in a joint statement.…