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Home Critical Metals

Askari Metals targets high-grade tin, tantalum and associated lithium mineralisation at Uis

by Editor
March 23, 2026
in Critical Metals
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Askari Metals targets high-grade tin, tantalum and associated lithium mineralisation at Uis
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Askari Metals is preparing to recommence exploration at its Uis Project in Namibia, targeting high-grade tin, tantalum and associated lithium mineralisation across a growing pipeline of pegmatite targets.

The project, located adjacent to the operating Uis Tin Mine, places Askari Metals within the same geological corridor that hosts one of Namibia’s most established polymetallic systems, providing exposure to tin, tantalum, rubidium and lithium.

Askari acquired the Uis Project by pegging and consolidating multiple Exclusive Prospecting Licences in Namibia’s Erongo Region between 2022 and 2023, establishing a strategic land position around the producing Uis Tin Mine.

Since then, the company has advanced the project through data compilation, remote sensing studies, and fieldwork programmes to define and expand pegmatite-hosted mineralisation.

The project is held through a portfolio of licences including EPL 7345(100% held via Kokerboom Mineral Processing), EPL 8535(80% held via Earth Dimensions Consulting) and EPL 7626(100% held via Green Lithium Exploration), all currently active and under renewal.

Recent work has significantly upgraded the project’s prospectivity. An in-house hyperspectral remote sensing study integrating Sentinel-2 and WorldView-3 satellite data has identified seven new pegmatite targets across the licence areas, expanding the exploration pipeline within a defined “corridor of interest” considered prospective for lithium-caesium-tantalum (LCT) pegmatites.

These include targets such as Eve, GP, MW and K10 on EPL 7345, as well as Tawny, Martial and Zebedeus-1 on EPL 8535, with strike lengths ranging up to more than three kilometres.

Historical exploration has already demonstrated high-grade mineralisation across multiple targets. At EPL 7345, rock chip sampling has returned values of up to 4.05% SnO₂, 1,121ppm Ta₂O₅ and 0.83% Rb₂O, while pegmatites such as OP, PS and DP show consistent mineralisation over strike lengths exceeding two kilometres and widths of up to 26 metres.

At EPL 8535, similarly strong results have been recorded, including tin grades of up to 3.17% SnO₂ and tantalum values reaching 5,226ppm Ta₂O₅, with pegmatites such as Kestrel extending over approximately three kilometres and widths of up to 30 metres.

Exploration at EPL 7626, which is contiguous with the Uis Tin Mine, is also being prioritised. The licence is considered prospective for buried pegmatites, with soil and stream sediment sampling planned to identify concealed mineralised zones before follow-up trenching and drilling.

The next phase of work will include soil and stream sediment sampling at EPL 7626, Phase I trenching across known pegmatite targets at EPL 8535, Phase II trenching across untested targets at EPL 7345, and planned reverse circulation and diamond drilling at key targets including PS, DP, OP and K9.

A reinterpretation of historical data has reinforced the view that the Uis Project represents a polymetallic system with significant tin and tantalum mineralisation, alongside potential for lithium and rubidium.

“The half year period ended 31 December 2025 marked a transformational period for Askari with the completion of the acquisition of the Nejo Gold and Copper Project in Ethiopia, which is now the Company’s flagship asset,” Executive Director Gino D’Anna said.

“Askari is now well funded and operationally positioned to commence its maiden drilling campaign at Nejo in Q1 2026, while in parallel preparing to recommence exploration at the Uis Project in Namibia, which provides additional exposure to high-grade tin and tantalum mineralisation.”

D’Anna said the company had strengthened its financial position through capital raisings, divested its Australian assets and achieved a debt-free structure, allowing it to focus on its African gold, copper and critical minerals portfolio.

For the half year ended 31 December 2025, the company reported a net loss of US$2.33 million, an improvement from US$4.23 million in the previous corresponding period.

Net operating cash outflows narrowed to US$371,033, while investing outflows stood at US$469,030.

Financing activities generated inflows of US$2.85 million, lifting the company’s cash balance to US$2.04 million as at 31 December 2025, compared to US$241,927 a year earlier.

The company has since repaid all debt and completed a capital raising of A$2.78 million, positioning it to fund ongoing exploration.

Directors expressed confidence in securing additional capital to advance its Namibian and Ethiopian assets, which are advanced-stage exploration projects with reduced geological risk.

The Uis Project is being positioned as part of that broader strategy, offering exposure to a large-scale mineralised system in Namibia’s Erongo Region, directly on strike with a producing operation and supported by both historical data and new target generation.

With multiple high-grade targets, defined pegmatite systems, and a structured exploration programme, Askari is entering a more active phase aimed at converting historical results into drill-ready targets and advancing the project toward resource definition.

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