Infrastructure that is fit for the future


Chemaf has a strong track record of investing, developing and optimising its asset base of highly productive mines and processing units. With demand for electric vehicles set to rise exponentially in the coming years Chemaf has an important role to play in providing the market with high-quality, responsibly sourced material.


Mineral resource:

Million tonnes (Mt)


Annual processing capacity:

Tonnes per annum (tpa)


Chemaf benefits from a highly skilled and committed workforce – we’re proud to employ the best


Etoile mine


Permit: 577


First explored in 1907 by Tanganyika Concessions Ltd., the Etoile ore body, then known as the Kalukuluku mine, was discovered in 1911.

In 2003 Chemaf was granted the mining rights to Etoile and exploration rights to its surrounding areas. The Etoile pit, which produces copper and cobalt oxides and sulphides, is open cast at 2.55 percent copper and 0.35 percent cobalt.


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Mineral resource, million tonnes (Mt)
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Copper %
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Cobalt %

"The Etoile mining complex and processing plant is central to our ambition to Chemaf becoming one of the world’s leading producers of responsibly sourced cobalt."

Shiraz Virji, Chemaf Chairman

Etoile Extension


Permit: 1538


Offering extensive exploration potential and just 1.5km to the north east of the Etoile mine, the Etoile Extension is a shallow orebody of approximately 300 metres in length and 150 metres wide.

While the deposit has relatively low-grade copper mineralisation, the cobalt mineralisation is estimated to be consistent with the Etoile mine, with a defined mineral resource of 3.17 million tonnes at 0.31 percent copper and 0.66 percent cobalt.


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Mineral resource (Mt)
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Copper %
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Cobalt %

UsokeProduction Plant


The Plant receives copper and cobalt material from Etoile andmines.

The Usoke Plant, first commissioned in 2002, represents Chemaf’s primary processing facility with capacity to produce 31,500 tonnes of copper cathodes and 2,400 tonnes of cobalt salt per annum. The Plant receives copper and cobalt material from Etoile and Luisha.

The plant premises are located some 3kms north east of the central business district of Lubumbashi and some 8km west of the Etoile Mine.


Annual product capacity:

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Copper cathodes (tpa)
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Cobalt salt (tpa)

"It was from our learnings at our Usoke plant that we were able to customise and refine the design of our Etoile processing facility. The technology we have adopted here will be pivotal to securing profitable production for the future."

Ghislain Yumba, Chemaf General Manager, Mining

Etoile Production Plant


Our new US$128 million Etoile Processing Plant is based on proven technology developed ‘in house’ by Chemaf at its Usoke process plant.

The plant is designed to produce 20,000 tonnes per annum of LME “A grade” copper cathodes and 3,800 tonnes of cobalt as cobalt hydroxide salt per annum. The first copper cathodes were produced at the plant in October 2016 and the first cobalt hydroxide cake was produced in February 2017.


Annual product capacity:

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LME copper cathodes (tpa)
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Cobalt hydroxide salt (tpa)

Mufunta Mine


Permit: 12113


The Mufunta concession is located 9km to the south-east of the Etoile mine site. As a mechanized open pit operation the mine produces oxide.

In July 2012, AMC undertook an audit of the drilling work at Mufunta to ensure compliance with JORC standards. In line with their audit, a JORC-compliant resource statement was generated. While there are no significant cobalt deposits at Mufunta, it enjoys 2.2 million tonnes of mineral resource at 1.71 percent copper.


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Mineral resource (Mt)
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Copper %

“We have a strong track record of investing, developing and optimising our asset base of highly productive mines and processing units.”

Sebastien Ansel, Executive Director and Chief Financial Officer

Luisha Project


Permit: PE2603


Luisha incorporates Kanshishi mine and Kansongwe.

First exploited by Union Miniere du Haut Katanga in 1913, and located 75 kilometres northwest of Lubumbashi, Kanshishi benefits from 0.3 million tonnes of mineral resource at 1.95 percent copper. Kansongwe represents a far larger tenement of 7.0 million tonnes at 1.43 percent copper.


Kanshishi mine

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Mineral resource (Mt)
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Copper %

Kansongwe Mine

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Mineral resource (Mt)
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Copper %

Mutoshi


Permits:

PE2604 [Mutoshi]PE2756 [Kimwehulu & Kulumaziba Tailings]PE4613 [Makala]PE2350 [Dianda]


Mutoshi incorporates various deposits of copper and cobalt on the Kolwezi Klippe.

First developed in 1903 as gold mine, and with around 300,000 tonnes of cobalt resource, the property represents an exciting opportunity for Chemaf.

Chemaf is developing a processing plant at the site with capacity for 20,000 tonnes of copper and 16,000 tonnes of cobalt per annum.


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Cobalt resource (tonnes)
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Copper (tpa)
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Cobalt (tpa)

[1] All figures quoted are JORC Compliant, unless stated otherwise. The Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (‘the JORC Code’) is a professional code of practice that sets minimum standards for Public Reporting of minerals Exploration Results, Mineral Resources and Ore Reserves. The JORC Code provides a mandatory system for the classification of minerals Exploration Results, Mineral Resources and Ore Reserves according to the levels of confidence in geological knowledge and technical and economic considerations in Public Reports.


Exploration and the future


Chemaf has a well-developed and defined exploration programme that provides a solid foundation for long-term growth.

We have a range of exploration projects focused on cobalt and copper at varying stages of development. Through targeted drilling programmes, we aim to significantly increase our resource base and mining capacity. Each year, preliminary geological and reconnaissance surveys are executed in order to define future priorities. Geochemical analyses are performed step-by-step to detect mineralisation irregularities and to identify potential targets. In accordance with the requirements of the Joint Ore Reserves Committee (JORC) Code, strict quality assurance and quality control standards are met for data collection and validation, as well as documentation of deposit characterisation.