During the first period of production the mine was subject to a 20% net profits interest and a 5% NSR royalty payable to the previous owners, Grupo Industrial Camesa. The mine was closed in Q4, 2013. 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.