Resource Estimate
Copper Giant files NI 43-101 report for Mocoa project

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Executive Summary
- Copper Giant Resources Corp. has filed an independent technical report containing an updated Mineral Resource Estimate (MRE) for its flagship Mocoa copper-molybdenum project in Putumayo, Colombia.
- The updated MRE represents a significant expansion in scale and grade compared to previous estimates, driven by a 76% increase in tonnage and a 101% increase in contained copper equivalent metal.
- The resource is defined as Inferred, constrained within a conservative pit shell, and remains open laterally and at depth with multiple untested porphyry targets.
Key Details
- Updated Mineral Resource Estimate (Effective Dec. 23, 2025):
- Total CuEq: 12.7 billion pounds (Blb) copper equivalent.
- Average Grade: 0.51% CuEq.
- Contained Copper: 7.6–7.7 Blb at 0.31% Cu.
- Contained Molybdenum: 1.0 Blb at 0.039% Mo.
- Tonnage: 1.12 billion tonnes (1,120 million tonnes).
- Comparison to Previous MRE:
- Tonnage increased by over 76%.
- CuEq grade increased by over 14%.
- Contained CuEq metal increased by over 101%.
- Technical Parameters:
- Resource Category: Inferred.
- Pit Shell: Constrained within a conservative revenue factor of 0.65.
- Commodity Prices Used: $4.0/lb Copper and $20.0/lb Molybdenum.
- Cut-off Grade: 0.25% CuEq.
- Geological Context:
- The system is open laterally and at depth.
- Multiple untested nearby porphyry targets exist.
- The deposit exhibits classic porphyry-style zonation with a potassic core, sericite, and propylitic alteration.
- The system shows over 1,000 metres of vertical continuity and is interpreted as a district-scale mineralized system.
- Qualified Persons:
- Michael B. Dufresne, Warren E. Black, and Kevin S. Hon (APEX Geoscience).
- Chester de Leon (Consultec Ltd.).
- Edwin Naranjo Sierra (VP of Exploration, Copper Giant) is the designated qualified person who reviewed and approved the information.
- QA/QC Protocols:
- Core sampling followed industry best practices with HQ and NQ diameters.
- Samples analyzed at ActLabs (Medellin and Guadalajara) using four-acid digest AA and ICP-MS.
- No material QA/QC issues identified regarding sample collection, security, or assaying.
Notable Quotes
- No direct quotes from the CEO or President were included in the provided text.
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