Hannan Metals confirms kilometre-scale gold system at Previsto prospect, Peru
Hannan Metals Ltd. [TSXV: HAN; OTC Pink: HANNF] reported new prospecting results from systematic field campaigns at the Previsto prospect at its 100%-owned Valiente project in Peru. Channel sampling has confirmed continuous gold mineralization across a 1.2 km trend from Previsto Central to Mirador Creek, with high-grade structures now validated by multiple sampling methods.
Key Points: Two significant channel sample results now improve confidence in a 1 km mineralized trend from Previsto Central to Mirador Creek, including 10.5 metres at 0.5 g/t Au and 3 g/t Ag, including 4.9 metres at 1.1 g/t Au and 5 g/t Ag at the location of the previous 4.8 g/t Au grab sample, implying continuity over 1 km to the 26.0 metres at 5.4 g/t Au channel reported earlier this year; 10.4 metres at 0.7 g/t Au and 4 g/t Ag, including 2.4 metres at 1.6 g/t Au and 6 g/t Ag located approximately 300 metres northeast off the channel above, demonstrating repeated high-grade intercepts across the mineralized trend.
New District-Scale Mineralization: 44 channels totalling 193.5 metres and 79 rock-chip samples define widespread gold-silver-copper mineralization from Mirador Creek to Previsto Central, with individual samples grading up to 2.6 g/t Au, 12 g/t Ag, and 0.24% Cu.
New Target Identified: Detailed analysis under the guidance of expert economic geologist in alkaline gold-copper systems, Dr. Alan Wilson suggests a potential separate heat/fluid source approximately 2 km southwest of Previsto Central at Upper Honda Creek, opening a potential new district.
Active Field Programs Continue: 2025 field campaign continues at Mirador Creek and Upper Honda Creek ahead of the wet season, with assays pending from Upper Palestina Creek.
Michael Hudson, CEO, stated: “The identification of further high-grade gold mineralization at Mirador Creek is a significant de-risking milestone for Previsto. When we reported the 4.8 g/t Au grab sample discovery in October 1 km south of high-grade channels sampled earlier this year including 26.0 metres at 5.4 g/t Au, the immediate question was whether this represented isolated high-grade or part of a larger mineralized structure. Today’s channel result of 10.5 metres at 0.5 g/t Au, including 4.9 metres at 1.1 g/t Au at that same location, provides clear evidence of a robust, continuous system.
“What excites me most is the scale emerging at Previsto. We now have validated high-grade gold across a 1.2 km trend between Mirador Creek and Previsto Central, with multiple structural controls hosting mineralization. The identification of a potential second heat/fluid source 2 km to the southwest at Upper Honda Creek, based on detailed geochemical work with Dr. Alan Wilson, suggests we may be looking at multiple mineralized centres within a much larger district-scale system.
“We’ve systematically prospected only 15% to 20% of Previsto’s prospective epithermal zone to date. Dense jungle and steep terrain make this slow, methodical work – but every area tested has delivered results. The scale of opportunity here remains largely untapped.“
Two main areas were systematically prospected during the recent field campaigns. Southern Area (Mirador Creek-Previsto Central): The southern work area covers a 1.2 km × 0.5 km polygon extending from the Mirador Creek high-grade discovery zone northward to Previsto Central. This area has been the focus of intensive systematic sampling following the October 6th announcement of a 4.8 g/t Au grab sample at Mirador Creek. The recent field campaign was designed to test whether this high-grade result represented an isolated occurrence or part of a larger continuous mineralized structure.
A total of 44 channels were cut across mineralized structures, comprising 104 metres. Channel sampling provides the most reliable surface indication of grade continuity, as it captures representative sections across mineralized zones rather than selective point samples.
The standout result from this program is a 10.5 metres channel grading 0.5 g/t Au and 3 g/t Ag. 195 ppm Cu, including a higher-grade core of 4.9 metres at 1.1 g/t Au and 5 g/t Ag (using a 0.1 g/t cut-off). Critically, this channel was sampled at the exact location of the original 4.8 g/t Au panel sample reported on October 6. The result confirms that the high-grade mineralization is not isolated occurrence but forms part of a wider, continuous mineralized structure with genuine significance.
To complement the channel work, 79 in-situ rock chip samples were collected across exposed outcrops throughout the work area. Rock chip sampling helps define the spatial extent of mineralization and identify new targets for follow-up.
The widespread distribution of anomalous gold, silver, and copper values across the rock chip samples indicates pervasive hydrothermal alteration and mineralization throughout the area. Elevated copper values reaching 0.24% (2,390 ppm) suggest proximity to a potential porphyry source at depth, consistent with the district-scale porphyry-epithermal model being developed at Previsto.
The northern work area covers a 0.5 km × 0.5 km polygon situated immediately north of the Previsto Central high-grade zone. This area represents the continuation of the mineralized trend beyond the established footprint and has been systematically prospected to define the full extent of the gold anomaly. Soil geochemistry in this terrain provides an effective first-pass prospecting tool, as gold transported into the soil profile from underlying bedrock mineralization creates detectable surface anomalies that guide follow-up prospecting and channel sampling.
A total of seven soil samples were collected across the northern extension area to infill the existing soil grid and test for continuity of the gold anomaly beyond Previsto Central.
Results confirm that anomalous gold values persist northward from the Previsto Central high-grade zone, with peak values reaching 19 ppb Au – well above the 1 ppb detection limit and indicative of a genuine bedrock source. The continuous nature of the soil anomaly across this northern extension suggests that the underlying mineralized system extends beyond the currently defined limits and remains open for expansion.
These soil results provide important vectors, highlighting priority areas for detailed rock chip sampling and channel work in upcoming field programs. The persistence of the anomaly reinforces the interpretation that Previsto Central sits within a larger mineralized corridor rather than representing an isolated occurrence.
Hannan’s team is actively advancing multiple work fronts ahead of the wet season. Upper Honda Creek Investigation – Detailed geochemical analysis of existing outcrop data, completed under the guidance of world-class economic geologist Dr. Alan Wilson during his six-day field visit, has identified a potential separate heat/fluid source approximately 2 km southwest of Previsto Central. This new target area is now a priority focus for the current field campaign.
Mirador Creek Extensions – Further systematic sampling to locate extensions and repetitions of the confirmed high-grade mineralization along strike and in parallel structures.
Structural Mapping – Detailed mapping to understand the controls on high-grade mineralization, which will inform drill hole targeting and orientation.
Upper Palestina Creek Assays Pending – Results are awaited from a 7-day field campaign covering an area 0.4 km to 1.4 km west of Previsto Central where very limited previous work has taken place.
Drill Program Integration – All surface results will be compiled and integrated into target generation for the upcoming drill program at Previsto.
The 100%-owned Valiente project is in central eastern Peru, east of the city of Tingo Maria. The area is characterized by steep topography on the eastern flank of the Central Cordillera with elevations between 800 m and 2,000 m above sea level (a.s.l.). The project was found in 2021 during an extensive greenfields prospecting program initiated by Hannan for back-arc porphyry copper-gold systems. The company has been actively prospecting on the project since 2021 and has successfully gained social permits progressively in all areas of interest.
During 2021 Hannan staked and still holds 910 km2 of 100%-owned mining concessions at Valiente covering unexplored terrain for potential mineralized porphyry targets in central eastern Peru. The Valiente Project has rapidly evolved from a greenfields prospect to a multi-prospect opportunity.
Early surface prospecting identified two outcropping copper-gold porphyry targets and one epithermal target at Belen. Porphyry areas quickly followed at Serrano Norte, Serrano and Pucacunga. The focus more recently has been on Previsto. At Previsto and Belen, a district-scale porphyry cluster within an area of 25 km by 10 km, with eight porphyry and/or epithermal targets now identified in more detail with up to 10 earlier stage targets awaiting further work.
The company is executing a multi-year strategy to systematically prospect and drill test its extensive land package in this emerging Miocene-aged, linked porphyry-epithermal mineral belt.
Channel samples are considered representative of the in-situ mineralization samples. At this stage true widths of mineralization are not known. Grab or panel samples are selective by nature and are unlikely to represent average grades on the property.