The Horne 5 is located beneath the working Horne copper smelter. Glencore owns the mineral rights on the first 200m beneath the surface while Falco owns all the mineral rights from 200m downwards. Falco completed a preliminary economic assessment report on the project in 2016. A 12-year operation is expected to start in 2020 after an initial pre-production investment of C$905 million. The Horne 5 deposit will be mined by transverse longhole stoping with the ore treated in a 15kt/d capacity plant. Final product will be zinc and copper concentrates and a gold-silver dore. Gold accounts for over 70% of net revenue.