Morocco-focused potash development company Emmerson has finalised the feasibility study components for the mine access design and costing for its Khemisset potash project, in northern Morocco. The project is advantaged by industry leading capital costs and bottom quartile all-in delivered cost to customer, yielding outstanding economic metrics including average yearly life-of-mine earnings before interest, taxes, depreciation and amortisation (Ebitda) of $236-million.