Back Forty (Au, Ag)

Stream and Terms: Osisko, through its wholly-owned subsidiary Osisko Bermuda, owns two precious metal streams on the Back Forty project; an 85% silver stream and an 18.5% gold stream. In exchange for ounces received under the streams, Osisko Bermuda will pay 30% of the spot price for gold (to a maximum of US$600 per ounce), and US$4 per ounce of silver.
Operator:  Visit Gold Resource Corporation for more information
Primary Commodity: Gold, Silver
Location: Michigan, USA
Reserves and Resources:
  • Measured and indicated resources (exclusive of reserves) of 1.1 Moz Au, 14.2 Moz Ag (18.3 Mt @ 1.89 g/t Au, 24.09 g/t Ag)
  • Inferred resources of 0.1 Moz Au, 1.9 Moz Ag (1.2 Mt @ 3.71 g/t Au, 49.24 g/t Ag)
  • LOM Avg.: 128 koz AuEq


  • Completion and publication of the updated Feasibility Study including optimized metallurgical testwork results and cost trade-off analysis
  • Final permit applications upon completion of Feasibility Study
  • Financing/construction decision after receipt of all regulatory approvals

More details in the 2023 Asset Handbook


Source: Company disclosure and Osisko management estimates.