Copper-Gold Explorer Gains 12% as IP Maps Chargeability Over 1km

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Thursday, July 16, 2026

Three-dimensional induced polarization that stacks chargeability highs against reduced resistivity is how copper-gold explorers try to pick sulphide targets before spending drill metres. When the same trend repeats across consecutive lines over roughly a kilometre and prior holes never tested the strongest anomalies, the survey becomes a targeting tool, not just another map.

Red Metal Resources Ltd. (CSE: RMES) advanced Thursday after reporting preliminary 3D IP results over the southern block of its Carrizal copper-gold-cobalt property near Vallenar in Chile's Atacama Region.

Chargeability anomalies appear across all six consecutive lines (L0, L200, L400, L600, L800 and L1000), spaced 200m apart and traced over approximately one kilometre, open along strike and at depth. The response aligns with two structures sampled at surface and one that has been sampled and drill tested. A secondary chargeability trend shows up in the eastern portion of Lines L800 and L1000 at depth, coincident with a mapped and sampled vein. Importantly, drilling completed so far on the property has not tested the highest IP anomalies outlined in this survey.

The southern block used six lines of about 2,000m each. At that block, a chargeability high coincident with historic drilling sits with a zone of reduced resistivity; Red Metal notes that coincident elevated chargeability and reduced resistivity is considered a favourable indicator of disseminated to semi-massive sulphide mineralization. The survey was designed to target the primary sulphide zone from 100m to 500m depth.

Next steps are to fold northern-block IP into a 3D model with historical drilling, mapping and geochemistry, then prioritize holes on the strongest IP-structure overlaps. CEO Caitlin Jeffs called the preliminary results encouraging and described the anomalies as compelling, drill-ready targets once geophysics is integrated with historical drilling and surface geology.

Shares of RMES rose 11.8% to C$0.095 on Thursday morning. 

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