Maiden reserve declared at Colluli

Potash developer South Boulder Mines has reported a maiden Joint Ore Reserves Committee-complaint reserve of 1.1-billion tonnes, grading 10% potassium oxide, for 205-million tonnes sulphate of potash at its Colluli project, in Eritrea. Some 287-million tonnes of the reserve was classified as proven, with a further 820-million tonnes classified as probable.