Marimaca (Cu)

Royalty and Terms: 1% NSR royalty on Marimaca covering all known resources and prospective exploration (1,310 hectares) and has a right of first refusal with respect to any royalty, stream, or similar interest in connection with financing the project.
Operator:  Visit Marimaca Copper for more information
Primary Commodity: Copper
Location: Antofagasta, Chile
Reserves and Resources:
  • Measured and indicated resources (exclusive of reserves) of 412 kt Cu (140 Mt @ 0.30% Cu)
  • Inferred resources of 128 kt Cu (83 Mt @ 0.16% Cu)
  • LOM Avg.: 36 kt Cu


  • Updated MRE expected in H1 2023
  • Marimaca MOD Feasibility Study starting in H2 2023, including 50 and 60ktpa cathode production scenarios (vs. 36ktpa in PEA)
  • Opportunities remain for additional resource expansion with further exploration
  • Further sulfide exploration following primary sulfide intersection from hole MAD-22

More details in the 2023 Asset Handbook


Source: Company disclosure and Osisko management estimates.