Deerni is a open pit copper mining operation in Guoluo Prefecture, Qinghai Province, China. The mine is on the Tibetan Plateau and at an altitude of over 4000m above sea level. Wood Mackenzie’s asset reports are built from the bottom up, incorporating a number of granular data metrics to ultimately produce our industry standard cash operating costs. This report contains a detailed asset note giving you a holistic view of the asset, including an operational overview through to a timeline of events from inception to now. This qualitative analysis is supplemented by the associated Excel download which enables interrogation of a whole series of cost and production metrics over the life of the asset.