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Cobre prepares for aircore programme as KCB’s stature grows

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Drilling in full swing on the Kalahari Copper Belt of Botswana. Image credit: Leon Louw for WhyAfrica

Cobre prepares for aircore programme as KCB’s stature grows

As concerns about the future supply of copper multiply, investors should consider including early-stage African exploration projects in their portfolios. The Kalahari Copper Belt (KCB) of Botswana is a good place to start looking.

By Leon Louw founder of WhyAfrica

The KCB in Botswana is growing in stature as more good results from drilling programmes are made public Amidst the energy transition copper is increasingly becoming the most sought-after commodity in the world, with many analysts wondering whether supply will keep up with demand.

WhyAfrica has been tracking several great copper projects in Botswana. Having visited the KCB in  August 2022 during the annual WhyAfrica Road Trip, I took note of three in various stages of development: Sandfire’s Montheo projects (advanced), Khoemacau’s copper and silver project close to Toteng, (fully operational and expanding), and Cobre’s Ngami Copper Project, which continues announcing great results from their early stage drilling programmes.

Cobre’s initial drilling sent their share price skyrocketing on the Australian Stock Exchange in August last year. Since then, this ASX listed outfit continued reporting fantastic results and has just announced that soil sampling and other preparations are underway for the upcoming 10 000m aircore programme at the company’s Kitlanya West (KITW) project, which, combined with the Ngami Copper Project (NCP), covers about 2,700km2 of prospective terrane for sedimentary hosted copper-silver deposits on the northern margin of the KCB.

Geological markers point to undiscovered copper-silver (Cobre prepares for aircore programme as KCB’s stature grows)

According to Adam Wooldridge, CEO of Cobre, Kitlanya West has all the characteristic geological markers for hosting undiscovered KCB copper-silver deposits.

“The mineral potential of the project is further supported by its potential for a variety of target types including traditional limb, fold-hinge and doubly-plunging fold trapsites.

“Adding several compelling soil geochemistry anomalies into the mix adds further weight to the projects prospectivity. The relatively thin Kalahari cover also simplifies soil geochemistry and provides an ideal environment for aircore drilling which collectively provides a cost- effective means for testing multiple targets across the license area. Results from this next phase of work will go a long way to opening this emerging copper district,” says Wooldridge.

He adds that interpretation of soil sample results, completed in 2022 over KITW, has identified several multi-element geochemical anomalies potentially related to copper-silver mineralisation associated with fold limbs and hinge zones.

Second soil sampling phase in progress (Cobre prepares for aircore programme as KCB’s stature grows)

Cobre said in a release that positive soil sample results over a newly identified doubly plunging target (Tlou) demonstrate further potential for both shear and hinge related copper-silver mineralisation.

“A second phase of soil sampling consisting of 8,600 samples designed to test the lateral extent of existing anomalies is now in progress with results expected by mid-year, while a large-scale aircore drilling programme has been designed to test the base of the Kalahari cover / top of bedrock in a number of priority areas providing valuable information on the position, and potential copper enrichment, of the important Ngwako-Pan/D’Kar Formation redox contact and overlying stratigraphy.

The aircore drill rig has arrived in Africa and access clearing is underway in preparation for the programme to start in April.

The ongoing 5,000m diamond drilling programme on NCP is expected to be completed at the end of April with assay results due a few weeks thereafter.

“In addition to evaluating several new targets, this programme has been able to demonstrate that a combination of detailed ground gravity, partial leach geochemistry and geochemical vectors from drilling can be used successfully to identify higher grade portions of targets.

“Targets generated from the soil and aircore drilling programmes at KITW will be combined with advanced targets on neighbouring NCP for diamond drill testing in quarter four of 2023,” says Wooldridge.

With more good news from all three these projects expected soon, the KCB is certainly a region to keep an eye on over the next few years.

Cobre prepares for aircore programme as KCB’s stature grows

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Cobre prepares for aircore programme as KCB’s stature grows


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