Before the airborne survey, Hannan’s exploration team had identified at least 12 intrusion related porphyry/epithermal/skarn target areas, which correlate with porphyry indicator minerals from stream sediment samples (BLEG) and/or hydrothermally altered boulders in catchments across the 94,500 ha property. This is considered by Hannan to be an exceptional number of copper-gold targets discovered in a new Miocene belt at such an early stage of exploration, none which have ever been drill tested.
Highlights:
- A 5,176-line kilometre airborne magnetic and radiometric survey has been completed and processed at the Valiente project. The survey covers the entire 94,500 ha of Hannan’s 100%-owned mining concessions across the project area. The data are now being analyzed with preliminary results presented here.
- Hannan’s preliminary evaluation of the airborne data demonstrates at least 18 magnetic anomalies of significance across the project.
- Magnetic and radiometric data were recorded simultaneously during the survey. Both data sets are instrumental for targeting porphyry deposits due to the presence of magnetic minerals (such as magnetite) and potassic alteration (from minerals such as biotite and K-feldspar), often associated with the core of porphyry mineral systems.
- A strong correlation is observed with known mineralized areas and magnetic and potassic radiometric anomalies such as at:
- The Belen prospect with two porphyry targets at Ricardo Herrera and Sortilegio (Figure 2)
- Valiente Norte, where four magnetic targets have been identified (Figure 3).
DISCUSSION
The 100% owned and explored by Hannan Metals Ltd, is located in central eastern Peru, east of the city of Tingo Maria (Figure 1). 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 discovered in 2021 during an extensive greenfields exploration program initiated by Hannan.
Peru has been a major copper and gold producer since precolonial times. Currently known gold deposits include orogenic gold, porphyry Cu-Au, porphyry Au, transitional porphyry-epithermal, epithermal, and placer gold. The Valiente project is a new a porphyry-epithermal metallogenic belt in the central eastern Andes. The Valiente project is located further east than most of the conventional Andean porphyry settings and shows regional similarities to deposits such as the large Bajo de Alumbrera copper-gold porphyry in Argentina. It is interpreted that Valiente was formed in a tectonically favourable area associated with an arc-oblique wrench fault system, that may have aided the ascent of oceanic arc-related magmas into the transfer zone so far inboard from the magmatic arc.
The Valiente project is believed to consist of an overlapping suit of porphyry targets with composition ranging from conventional calc-alkalic to alkalic hosted Cu-Au mineralization (reported here). It is anticipated that both high and low-magnetic and radiometric correlations may exist within the property and a detailed evaluation combing the airborne data with 3D litho-structural interpretations and results from stream sediments samples (BLEG) is currently being undertaken.
The initial results presented demonstrate an excellent correlation between the known areas of mineralization and magnetic and radiometric data. This positive correlation is thought to be augmented by two local factors. Firstly, the sedimentary country rocks are non-magnetic which make detection of low magnetic bodies simpler. Secondly, the overburden of the area is local and despite the thick jungle canopy, the detection of potassic alteration zones from radiometric data is straight forward.
SURVEY DESCRIPTION
The high quality airborne geophysical survey was carried out by New Sense Geophysics S.A.C. (“NSG”), a specialized, independent geophysical contractor based in Lima, Peru. The airborne survey was flown over the Valiente project in September 2022, using NSG’s Stinger system attached to a helicopter. The helicopter survey flying height was approximately 30 m above the canopy. A total of 5,176-line kilometres were collected during the survey, on transverse 200 m-spaced lines along the E-W orientation. Data processing was performed by Four Winds Technology Pty Ltd (Roland Hill).
About Hannan Metals Limited (TSXV:HAN) (OTCPK: HANNF)
Hannan Metals Limited is a natural resources and exploration company developing sustainable resources of metal needed to meet the transition to a low carbon economy. Over the last decade, the team behind Hannan has forged a long and successful record of discovering, financing, and advancing mineral projects in Europe and Peru. Hannan is a top ten in-country explorer by area in Peru.
Mr. Michael Hudson FAusIMM, Hannan’s Chairman and CEO, a Qualified Person as defined in National Instrument 43-101, has reviewed, and approved the technical disclosure contained in this news release.
On behalf of the Board,
"Michael Hudson"
Michael Hudson, Chairman & CEO
Further Information
www.hannanmetals.com
1305 – 1090 West Georgia St., Vancouver, BC, V6E 3V7
Mariana Bermudez, Corporate Secretary,
+1 (604) 685 9316, info@hannanmetals.com
In Europe:
Swiss Resource Capital AG
Jochen Staiger
info@resource-capital.ch
www.resource-capital.ch
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