Copper Giant Resources Corp. Files Technical Report for Mocoa Project with Updated Mineral Resource Estimate
Resource more than doubles to 12.7 billion pounds copper-equivalent as system remains open in all directions
Overview
Copper Giant Resources Corp. has filed an independent NI 43-101 technical report containing an updated Mineral Resource Estimate (MRE) for its flagship Mocoa copper-molybdenum project in Putumayo, Colombia. The updated estimate delivers 12.7 billion pounds of copper-equivalent in the inferred category, representing a 101% increase in contained metal compared to the project's previous resource. The deposit remains open in all directions with multiple untested targets across the broader district.
Key highlights
- Inferred mineral resources of 12.7 billion pounds copper-equivalent (CuEq) at 0.51% CuEq, including 7.6 billion pounds copper (0.31% Cu) and 1.0 billion pounds molybdenum (0.039% Mo), within 1.12 billion tonnes
- Compared to previous MRE: +76% increase in tonnage, +14% increase in CuEq grade, and +101% increase in contained CuEq metal
- Resource constrained within a conservative pit shell using US$4.00/lb copper and US$20.00/lb molybdenum at a 0.25% CuEq cut-off
- System remains open laterally and at depth with multiple untested nearby porphyry targets
- Technical report effective date of December 23, 2025, prepared by APEX Geoscience in accordance with NI 43-101
Geological and strategic context
Mocoa is hosted in Middle Jurassic dacite and quartz-diorite porphyries within the Central Cordillera, a 30-kilometre-wide tectonic belt extending into Ecuador that also contains major systems such as Mirador, Warintza, San Carlos, and Panantza. The deposit exhibits classic porphyry-style zonation with a potassic core surrounded by sericite and propylitic alteration. Mineralization consists principally of disseminated chalcopyrite and molybdenite accompanied locally by bornite and chalcocite.
A distinguishing geological feature is what the company describes as a "fertile magmatic window" spanning approximately ten million years. This prolonged interval of magma generation is believed to explain the system's large metal endowment, broad alteration footprint, and overlapping intrusive and hydrothermal events. The deposit demonstrates more than 1,000 metres of vertical continuity across multiple intrusive phases.
Copper Giant controls more than 132,499 hectares of district-scale tenure through granted titles and applications, covering a significant portion of the Jurassic porphyry belt. The project was first identified in 1973 through a regional geochemical survey conducted by the United Nations and the Colombian government, with subsequent drilling by B2Gold in 2008 and 2012 confirming the large scale of the system.
What to watch next
- Further drilling to test lateral and depth extensions of the current resource
- Exploration of multiple satellite porphyry targets across the broader land package
- Potential resource upgrades from inferred to indicated category with continued drilling
- Advancement toward preliminary economic studies
Commentary
This updated MRE represents a significant milestone for Copper Giant, with contained copper-equivalent metal more than doubling while grade improved by 14%. At 12.7 billion pounds CuEq within 1.12 billion tonnes, Mocoa now ranks among the larger undeveloped copper-molybdenum deposits in the Americas.
The resource remains entirely in the inferred category, which carries a lower level of confidence than indicated resources and cannot be converted to reserves. However, the technical report notes that the majority of the inferred resource could potentially be upgraded to indicated with continued exploration, a standard path for projects at this stage.
The deposit's open nature in all directions, combined with untested satellite targets across 132,499 hectares of tenure, suggests meaningful upside potential. The geological setting within a proven porphyry belt that hosts multiple major deposits in Ecuador provides regional context for the system's scale.
Investors should note that mineral resources are not mineral reserves and do not have demonstrated economic viability. The project is located in Colombia's Putumayo department, and advancement will depend on continued exploration success, permitting, and the broader regulatory environment. The company is part of the Fiore Group and states its leadership team has experience taking copper mines from discovery through construction.
About Copper Giant Resources Corp.
Copper Giant Resources Corp. is a Canadian mineral exploration company focused on advancing the Mocoa copper-molybdenum project in southern Colombia. The company is part of the Fiore Group and controls district-scale tenure within the Jurassic porphyry belt of the northern Andes.
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