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Trenching targets Namibian pegmatites

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Trench mapping by Askari Metals has delivered good results in a well-known pegmatite belt in Namibia.
The area in and around the historic mining town of Uis is well known for its significant pegmatite deposits. Trench mapping by Askari Metals has delivered good results in a well-known pegmatite belt in Namibia. Image credit: Leon Louw for WhyAfrica

Trenching targets Namibian pegmatites

Trench mapping by Askari Metals has delivered good results in a well-known pegmatite belt in Namibia.  

ASX listed Askari Metals’ recently announced results from their trench mapping programme at the Uis Lithium Project in the Erongo Region of Namibia, has yielded better results than what the company initially expected.

Askari’s license area is about three kilometres from the historic mining town of Uis, in west-central Namibia, and is close to where Andrada Mining (previously AfriTin) has been operating a very productive tin operation and recently announced spectacular lithium occurrences.

The area in and around Uis hosts a large number of pegmatites that are exposed at the surface, ranging from a few meters in width to more than 20m in width.

Many pegmatites have been mined historically for tin and semi-precious stones, and according to Johan Lambrechts, VP-Exploration & Geology at Askari, altered spodumene and lepidolite are visible within Askari’s workings and the mined rock around the workings.

Trench mapping pegmatites

Two weeks ago, Askari Metals announced the identification of an extensive pegmatite zone in the target area through trench mapping.

According to Askari’s Chief Exploration and Project Manager (Africa), Cliff Fitzhenry, trench mapping of the target has yielded significantly better than expected results with a zone of multiple pegmatites mapped over a strike length of ~2.0km.

“The pegmatite zone comprises a main pegmatite body along with several smaller bodies which are interpreted to be bifurcating offshoots from the main body.

“The main pegmatite body averages 10m thick over the total ~2.0km strike length which includes a thicker “south-west zone” where the main body is up to 26m thick and averages 21m thick over a 350m strike length.

In the corridor of interest

“The pegmatites are of the Lithium-Cesium-Tantalum (LCT) type and occur within the previously defined, highly prospective “Corridor of Interest” which comprises highly fractionated, fertile LCT type pegmatites,” says Fitzhenry.

The channel sampling across the targeted pegmatites is well advanced and Askari said in a statement that assays are being fast tracked through the laboratory.

“Pending positive results, a diamond drill rig will be mobilised during Q1 of 2024 for maiden drill testing of the OP pegmatites,’’ Fitzhenry concludes.

WhyAfrica in the pegmatite belt

WhyAfrica has travelled to the pegmatite belt in the Erongo Region of Namibia on several occasions during our WhyAfrica Road Trips through Africa and has writer extensively on the pegmatite belts in the country. Please click on the link to read one of our earliest articles: https://www.whyafrica.co.za/namibia-the-lure-of-pegmatites/

Remember, we have articles and research reports on the WhyAfrica website dating back more than three years, so if you need any information about specific projects in Africa, type in the name of the project or the country in which you are interested in our search box to discover more.

Trenching targets Namibian pegmatites

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Trenching targets Namibian pegmatites

 

 

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