Exploration

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Exploration – Overview

The Company is constantly progressing targets that show potential, as well as identifying and acquiring new project opportunities. In all cases, the primary exploration objective of the Company is to continue to add to its resource base and build on previous successes at Productora and Cortadera, and more recently at La Verde.

 

La Verde

Hot Chili announced the discovery of a significant copper-gold mineralised porphyry system at La Verde in December 2024. The La Verde discovery is located 35 km, or 50km by road from the planned Productora processing facility.

Wide, shallow mineralisation at La Verde currently extends over a 1000 m x 750 m footprint and remains open in all directions. Gravel cover masks a potentially much larger system with a number of geophysical targets to be tested. Importantly, multiple distinct higher-grade centres have been confirmed from near surface.

Depth potential also remains with near surface mineralisation extending to more than 300 m below surface

La Verde long section
Longsection from announcement dated Monday 19th May 2025 “Hot Chili Announces Latest Drill Results for La Verde, Doubling Porphyry Discovery Footprint”. NNW facing longitudinal section (A – A’) of the La Verde porphyry system showing significant intercepts compared to +0.2% copper (yellow), +0.3% copper (red), +0.4% copper (Magenta) mineralisation interpolants from returned assay results. Weathering profile displayed as top of fresh material (black line). Returned Cu grades graphed downhole along hole traces (grey).

Priority Regional Targets

The Domeyko Cluster, within the historic Domeyko mining district, is located 30 km SE of the Productora deposit. Historic copper-gold mining in the Domeyko area largely exploited oxide mineralisation with very limited exploration undertaken for copper sulphide mineralisation. This is partly due to the gravel cover which is present over much of the region and to the lack of consolidated ownership of the tenement package.

Mapping and soil sampling across the Domeyko cluster is ongoing, and a regional ground magnetic survey has been conducted. This work has helped define a series of targets which will be further refined by follow up planned geophysical programs and the use of artificial intelligence (in the form of machine learning algorithms) on the data sets.

 

Regional targets Domekyo
Regional Map legend
Left – Regional Geology, ASTER lineaments and soil sampling in the Domeyko Cluster. Right – Ground magnetic survey across the Domeyko Cluster.

The integration of a 3D magnetic inversion model from ground magnetic data has been used to identify three look-alike magnetic features, which highlight the potential for a district scale porphyry cluster surrounding La Verde. Application of Machine Learning probability models on soil geochemistry across Domeyko has also defined an area of interest approximately 1 km to the north-east of La Verde which, importantly, overlaps one of the magnetic-low features defined by the 3D magnetic inversion model (Announcement “District-Scale Porphyry Cluster Potential Emerging at La Verde Cu-Au Discovery” 29th May 2025).

Regional magnetic destruction footprint map
Plan view showing the La Verde +0.2% Cu mineralisation interpolant in relation to regional magnetic destruction footprint (red dashed), local magnetic low features (white dashed), weakly magnetic anomalies (white line) and Fathom 3D geochemical probability models (purple isosurfaces). Left – shown overlain on reduced-to-the-pole (RTP) ground magnetics and the 3D magnetic inversion model (sliced at 850 RL, displayed as blocks, filtered for Magnetic Susceptibility > 0.014). A – A’ indicates the position of long section below.
Long section view A – A’ facing north-west showing the La Verde +0.2% (yellow) and +0.3% copper (red) mineralisation interpolants in comparison to the 3D magnetic inversion model (displayed as blocks, filtered for Magnetic Susceptibility > 0.014) and 3D geochemical target at La Verde North-East. Local circular magnetic low features are outlined (white dashed line) and locations where shallow weakly magnetic anomalies extend to the surface are marked with blue arrows. Position of 850 RL depth shown for 3D magnetic inversion model slice in plan view.