Capital costs for a 50,000 tonne per day operation came down to US$839 million, below the original $1 billion estimated in the original 2013 PFS.
Average annual production would be 382,211 ounces of gold per annum over 13 years, with annual production of 479,500oz in the first five years.
Life of mine cash costs are estimated at $645 an ounce, including $571/oz in the first five years.
The study returned a post-tax net present value of $679 million, using a 5% discount, and an internal rate of return of 20.5%, using a $1300/oz gold price and exchange rate of 80c.
The PFS, completed by Tetra Tech, was based on proven and probable reserves of 5.85 million ounces of gold at ...