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Koryx delineates drill targets in Zambia’s Copperbelt

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The Zambian Copperbelt. Image credit: Google maps

Koryx delineates drill targets in Zambia’s Copperbelt

Canadian based Koryx Copper has initiated an induced polarization survey program at the Luanshya West project in the Copperbelt Province of Zambia.

The Luanshya West licence is situated in the centre of the Zambian Copper belt which forms part of the Central African Copper belt, one of the most prolific copper belts in the world. The large exploration licence covers close to 54.24km2.

Luanshya West’s prospectivity is based on its location over the unconformable contact zone between basement granites and Lower Roan Group sediments where most copper belt mines in both Zambia and the Democratic Republic of Congo (DRC) are located.

Koryx’s project area is close to established copper / cobalt mines with Chibuluma mine about 35km to the north-east, Chambishi 41km north-northeast, N’changa 53km north-northwest and the Luanshya mine some 40km east-southeast from the centre of the project area.

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A ground electrical geophysical survey

Koryx’s induced polarization (IP) survey is a ground electrical geophysical survey which will help with drill target generation exercise prior to drilling.

According to Pierre Léveillé, Koryx’s President & CEO, the IP survey will consist of two phases.

“The first phase will include 40.1 line kilometres of gradient array IP at 100m spacing over six targets totalling up to about 300 hectares that exhibits consistent geochemistry anomalies with strong Cu and Co association delineated from the previous soil sampling program and defined by the interpretation report recently completed by Earthmap Consulting,” explains Léveillé.

“Phase two will comprise of pole dipole over IP anomalies generated by the gradient array. The survey parameters of pole dipole will depend on the geometry of the IP anomalies generated by the gradient array IP,” he adds.

“This work program is a critical step toward delineating and prioritizing drill targets. The company’s recently completed review and interpretation of existing geochemical, geological, and regional airborne data provided six prioritized zones warranting detailed follow up groundwork. The IP survey will provide valuable subsurface geophysical signatures within these prioritized zones and support in defining drilling targets for a drill campaign to come in 2024.”

Geophysical interpretation of airborne magnetic data

Earthmap Consulting was mandated to complete the geophysical interpretation of airborne magnetic data available for the Luanshya West project. The report concluded the following:

The superimposition of Koryx Copper latest soil geochemical Cu and Co results suggest two styles of mineralization targets:

1- A high priority Footwall Arenite-Hosted Cu-Co soil anomaly with a footprint size similar to the Chibuluma South deposit, as well as 14 km of currently under-sampled Lower Roan Subgroup where additional Footwall Arenite-Hosted Cu-Co mineralization may still be found.

2- Five additional Cu-Co soil anomalies are situated in upper stratigraphy, namely Upper Roan Subgroup and possibly Mwashya Subgroup. These anomalies may indicate lateorogenic, structurally controlled Cu-Co mineralization. The aeromagnetic data is of insufficient resolution to show possible structural controls in all except one of these five targets.

Earthmap recommended to follow up the soil anomalies of all the targets with an Induced Polarization  geophysical survey followed by drilling on the two anomalies situated over the Lower Roan Subgroup Earthmap also recommended the IP program and a high resolution magnetics survey followed by drilling for the five other targets.

Koryx delineates drill targets in Zambia’s Copperbelt

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Koryx delineates drill targets in Zambia’s Copperbelt

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