The Star, Star West and Orion properties are located in Saskatchewan, Canada some 65 km east of Prince Albert.
The Star kimberlite is 100% owned by Shore Gold Inc, which also owns 60% of the adjacent Star West and Orion kimberlites (the balance is being held by Newmont Mining Corp.).
A recently completed positive Prefeasibility Study (PFS) reported a probable mineral reserve of 279 million diluted tonnes at a weighted average grade of 12.5 carats per hundred tonnes containing 35 million carats at a weighted average price of $226 per carat (US$192) over the Life of Mine (LOM).
The project displays robust economics over a 20 year LOM due to proximity to infrastructure (electric power, paved highways, railroads, water and labor) in Saskatchewan.
The optimal economic approach to the mining of the combined Star - Orion South reserves, is to commence with three phases over ten years of mining on Star, followed by two phases over eight years of mining on Orion South and finally mining the last phase in the Star open pit for two years, for a total LOM of 20 years.
An In-Pit Crush and Convey system will be used to pre-strip the overburden and waste rock materials and expose the kimberlite ore in Star and Orion South. Conventional hydraulic excavators and haul trucks will be used to mine the ore and to remove associated overburden and waste rock to an IPCC system. The ore and waste rock will be separately sized in the pit and subsequently conveyed to the processing plant ore stockpile and to the waste management area, respectively.
The PFS assumes that the initial overburden pre-stripping work will be done utilizing Shore's work force, with the assistance of earthmoving contractors, using conventional scrapers, excavators, haul trucks and ancillary equipment. Upon completion of the initial pre-strip work, the main pre-strip will be conducted by Shore with hydraulic excavators and the IPCC system.
The processing facility will be optimally located near the Star and Orion South pit edges. The facility is designed to treat 40,000 tonnes of kimberlite per day employing autogenous milling as the primary diamond liberation method, followed by dense media separation and x-ray with scavenging grease for final diamond recovery.
The PFS assumes that construction of the mine would start in Q4 2011 and processing plant commissioning within 4 years after acquiring the necessary permits to proceed with construction.
- Nearest Landmark: PRINCE ALBERT
- Distance from Landmark: 65Km
- Direction from Landmark: EAST
- Latitude: 53deg 15Min N
- Longitude: 104deg 48Min W
- Satellite Image: Click to View »
- Name: Shore Gold Inc
- Interest: 100% of Star
- Note: Star West and Orion in jv with Newmont (40%)
Reference:31 December 2009