Gibraltar (Ag)

Stream and terms:  100% silver stream on Taseko’s 75% attributable interest in Gibraltar until 5.9 Moz have been delivered, thereafter, the stream percentage reduces to 26.25% of Taseko’s attributable portion of silver production. Osisko is not required to make ongoing payments in consideration for the ounces it receives under the stream.
Operator: Visit Taseko Mines for more info
Primary Commodity: Copper-molybdenum, Silver (Ag)
Location: Cariboo Regional District, British Columbia
Reserves and Resources:
  • Proven and probable reserve of 20.8 Moz Ag (538.0 Mt @ 1.20 g/t Ag)
  • Measured and indicated resources (exclusive of reserves) of 15.0 Moz Ag (468.0 Mt @ 1.00 g/t Ag)
  • 2020: 2,284 koz
  • 2021 : 2,676 koz


  • The operation moves to the West Gibraltar and Extension pits, which should meaningfully increase silver production
  • Potential ability to process at higher-than-design throughput rates by managing and increasing the predictability of ore hardness
  • Life of mine recently extended by 8 years based on reserve update

More details in the 2022 Asset Handbook


Source: Company disclosure and Osisko management estimates.