Kamfundwa Copper-Cobalt Mine

Overview

The Kamfundwa copper-cobalt mine is a significant operation located in the heart of the DRC Copperbelt, approximately 15 kilometres from the industrial city of Likasi in Haut-Katanga Province. The mine sits within one of the world's most prolific copper-cobalt geological belts, a 500-kilometre arc of mineralised sedimentary rocks stretching from southeastern DRC into Zambia's Northwestern Province. Kamfundwa represents a critical node in the global supply chain for critical minerals Africa depends upon for economic development and that the world increasingly requires for the energy transition.

Operated by CMOC Group Limited, formerly known as China Molybdenum Co., the Kamfundwa mine extracts both copper and cobalt from oxide and sulphide ore bodies. The deposit was historically part of the Gécamines concession portfolio, specifically within the state-owned mining company's Groupe Ouest operational division. Gécamines, the Democratic Republic of Congo's storied national mining enterprise, held and developed the concession through decades of colonial and post-independence mining activity before the deposit was incorporated into broader partnership arrangements with international operators.

CMOC acquired its controlling interest in the Kamfundwa area as part of its broader entry into DRC copper mining and cobalt mining DRC operations. The Chinese mining conglomerate has invested substantially in modernising the operation's processing infrastructure, transitioning from the legacy Gécamines-era equipment to contemporary hydrometallurgical processing technology. The mine produces copper cathode and cobalt hydroxide, both of which are critical feedstocks for global manufacturing supply chains, particularly the electric vehicle battery sector and electrical infrastructure development.

The deposit's geological characteristics are typical of the Central African Copperbelt's stratiform copper-cobalt mineralisation. The ore bodies occur within the Roan Group sedimentary sequence, hosted in dolomitic shales and siltstones that were deposited in a Neoproterozoic rift basin approximately 880 to 730 million years ago. Copper mineralisation occurs primarily as malachite, chrysocolla, and chalcocite in the oxide zone, transitioning to chalcopyrite and bornite at depth. Cobalt occurs as heterogenite in the oxide zone and carrollite in the sulphide zone, providing the dual-commodity production profile that makes Copperbelt mining operations particularly valuable in the current market environment.

Kamfundwa's strategic importance extends beyond its mineral production. The mine sits within the broader geographic footprint of CMOC's DRC operations, which include the massive Tenke-Fungurume Mining complex. This proximity enables operational synergies in logistics, processing, and workforce management. The mine's location near Likasi also positions it along established rail corridors that connect to the Lobito Corridor's planned and rehabilitated transport infrastructure, creating a direct pathway from the mine gate to Atlantic ports for export.

Operations

Mining Methods and Ore Processing

Kamfundwa employs both open-pit and underground mining methods, reflecting the deposit's geological structure and the varying depths of economic mineralisation. Open-pit operations target the near-surface oxide ore bodies where copper and cobalt mineralisation has been enriched by weathering and supergene processes. These oxide ores are particularly amenable to acid leaching, which forms the basis of the mine's hydrometallurgical processing route. Underground operations access deeper sulphide ore bodies where primary mineralisation remains unaffected by surface weathering.

The open-pit operations utilise conventional truck-and-shovel methods. Overburden removal exposes the mineralised horizons, which are then drilled, blasted, and loaded into haul trucks for transport to the run-of-mine stockpile. Ore is classified by grade and type, with oxide and mixed ores directed to the leach circuit and higher-grade sulphide material stockpiled for potential future flotation processing or blending with oxide feed.

Underground mining operations at Kamfundwa employ room-and-pillar and sub-level stoping methods adapted to the tabular geometry of the ore bodies. Ground conditions in the Copperbelt's dolomitic host rocks are generally favourable, though water ingress from the overlying aquifer systems requires active dewatering management. Underground ore is hoisted to surface via decline access and integrated into the same processing stream as open-pit material.

Processing Infrastructure

The mine's processing plant utilises a hydrometallurgical flowsheet centred on heap leaching and solvent extraction-electrowinning (SX-EW) for copper recovery, alongside a separate cobalt recovery circuit. Run-of-mine oxide ore is crushed, agglomerated with sulphuric acid, and stacked on lined leach pads. Dilute sulphuric acid solution is drip-irrigated over the heaps, dissolving copper and cobalt minerals over a leach cycle of approximately 90 to 120 days.

The pregnant leach solution (PLS), rich in dissolved copper and cobalt, is collected in lined ponds and pumped to the solvent extraction plant. Copper is selectively stripped from the PLS using organic extractants, then transferred to an electrolyte solution for electrowinning. The electrowinning tankhouse produces London Metal Exchange (LME)-grade copper cathode at 99.99% purity, packaged and prepared for export.

Cobalt is recovered from the copper-depleted raffinate through a series of precipitation steps. The cobalt-bearing solution is treated with magnesia or lime to precipitate cobalt hydroxide, which is filtered, washed, and dried to produce a cobalt hydroxide intermediate product typically grading 30-40% cobalt. This intermediate is exported to refineries in China and elsewhere for further processing into battery-grade cobalt sulphate or cobalt metal.

Production Volumes

CMOC reports its DRC production on a consolidated basis through its subsidiary Tenke Fungurume Mining S.A.R.L., making precise Kamfundwa-specific output figures difficult to isolate from public disclosures. The combined TFM operations, including Kamfundwa, produced approximately 287,000 tonnes of copper and over 30,000 tonnes of cobalt in 2024, establishing CMOC as the world's largest cobalt producer and one of the DRC's top copper producers. Kamfundwa's contribution represents a meaningful component of this aggregate output.

Workforce and Employment

The Kamfundwa operation employs approximately 2,500 personnel, comprising direct CMOC employees and contractor workforces. The majority of the workforce is Congolese, consistent with DRC mining regulations that mandate local employment preferences. Skilled positions including geologists, metallurgists, and mining engineers are staffed through a combination of local recruitment and international expertise, with CMOC operating training programmes to build local technical capacity.

Working conditions at Copperbelt mining operations, including Kamfundwa, have attracted scrutiny from labour rights organisations. Key concerns include shift scheduling, workplace safety standards, and the use of subcontracting arrangements that can create disparities between direct employees and contract workers in terms of compensation, benefits, and job security. CMOC has stated its commitment to the International Labour Organization's core conventions and has implemented occupational health and safety management systems aligned with ISO 45001 standards.

Geological Context

Kamfundwa sits within the Lufilian Arc, a Neoproterozoic orogenic belt that hosts the Central African Copperbelt. The deposit is classified as a stratiform sediment-hosted copper-cobalt deposit, a geological category that encompasses some of the world's largest and richest copper and cobalt accumulations. The mineralisation is hosted within the Roan Group, a sequence of marine sedimentary rocks deposited approximately 880 to 730 million years ago in an intracontinental rift setting.

The ore-bearing horizons at Kamfundwa occur within the Mines Subgroup of the Roan sequence, specifically in dolomitic shales and argillaceous dolostones that provided both the chemical and structural traps for metal deposition. The copper-cobalt mineralisation formed through the circulation of metal-bearing brines through the sedimentary sequence, driven by the heat and tectonic activity associated with the Lufilian Orogeny approximately 550 to 500 million years ago.

The deposit exhibits the characteristic zoning pattern of Copperbelt deposits, with a cobalt-rich footwall transitioning upward into a copper-dominant hanging wall. Supergene enrichment in the near-surface oxide zone has concentrated metals to grades significantly above the primary sulphide mineralisation, creating the high-grade oxide ore bodies that are preferentially mined in the current operation. The oxide zone extends to depths of approximately 80 to 120 metres, below which transitional mixed oxide-sulphide ore gives way to primary sulphide mineralisation.

Resource estimates for the Kamfundwa concession indicate substantial remaining mineralisation at depth. The sulphide resource, while lower in grade than the supergene-enriched oxide zone, represents a long-term production option should copper and cobalt prices support the higher processing costs associated with flotation-based sulphide ore treatment. CMOC has conducted preliminary studies on sulphide ore processing options that could extend the mine's operational life well beyond the current oxide-focused mine plan.

Ownership and Corporate Structure

The Kamfundwa mine's ownership structure reflects the complex history of mining concession transfers that has characterised the DRC's mining sector since the 2000s. The operation falls under the umbrella of CMOC Group Limited, a Hong Kong-listed mining and metals company with headquarters in Luoyang, China. CMOC entered the DRC through its landmark 2016 acquisition of Freeport-McMoRan's 56% interest in Tenke Fungurume Mining (TFM) for US$2.65 billion, one of the largest mining deals in African history.

In 2019, CMOC acquired an additional 24% stake in TFM from Lundin Mining for approximately US$1.14 billion, bringing its total ownership to 80%. Gécamines retains a 20% free-carried interest in the TFM concessions, including Kamfundwa, as stipulated under the terms of the original joint venture agreements and the DRC's 2002 Mining Code. This ownership split has been a source of ongoing tension between CMOC and Gécamines, with the state mining company periodically asserting that the terms of the partnership inadequately reflect the value of the concessions and the DRC's sovereign mineral rights.

The relationship between CMOC and Gécamines has been marked by periodic disputes over production reporting, royalty calculations, and the terms under which Gécamines' 20% interest is valued. In 2022, a DRC commercial court temporarily froze CMOC's export permits in a dispute over Gécamines' claims that TFM had undervalued reserves and underpaid royalties. The dispute was resolved through negotiations that resulted in CMOC making additional payments to Gécamines and adjusting certain contractual terms. These disputes reflect broader tensions in the DRC's mining sector between foreign operators and the state's desire to capture a greater share of mineral rents.

CMOC's DRC operations are managed through its subsidiary Tenke Fungurume Mining S.A.R.L., which holds the mining permits and operating licences for the Kamfundwa concession alongside the larger Tenke-Fungurume complex. The operational management structure is led by a combination of Chinese and Congolese executives, with key technical and financial decisions subject to CMOC Group board oversight in Hong Kong.

Corridor Connection

Kamfundwa's position in Haut-Katanga Province places it within the eastern reach of the Lobito Corridor's planned rail rehabilitation zone. The mine is located approximately 15 kilometres from Likasi, which sits on the historic Chemin de Fer du Katanga rail line connecting the DRC's Copperbelt to the Angolan border at Dilolo. This rail connection, once fully rehabilitated under the Lobito Corridor programme, will provide Kamfundwa with a direct westbound export route to the Port of Lobito on Angola's Atlantic coast.

The logistics advantages of the Lobito Corridor for Kamfundwa are substantial. Currently, copper cathode and cobalt hydroxide produced at the mine must be trucked south to Zambia, then onward by rail or road to the ports of Dar es Salaam (Tanzania), Durban (South Africa), or Beira (Mozambique). These southeastern export routes are circuitous, expensive, and subject to congestion, border delays, and infrastructure bottlenecks. The distance from Likasi to Dar es Salaam via road exceeds 2,500 kilometres, while the Lobito Corridor route would cover approximately 2,600 kilometres entirely by rail, with lower per-tonne transport costs and greater reliability.

CMOC has indicated interest in utilising the Lobito Corridor for export of its DRC production, though the company has not yet publicly disclosed specific volume commitments comparable to those announced by Ivanhoe Mines for Kamoa-Kakula. The corridor's value proposition for CMOC extends beyond simple logistics cost reduction. Atlantic-facing export via Lobito shortens shipping times to European and North American markets by approximately 10 to 15 days compared with Indian Ocean routes, creating commercial advantages for time-sensitive deliveries of cobalt hydroxide to European battery precursor manufacturers.

The Lobito Corridor's infrastructure programme also includes investments in rail siding capacity and loading facilities at key nodes along the DRC section. Likasi, as a major industrial centre, is expected to receive upgraded rail terminal infrastructure that would serve Kamfundwa and other mining operations in the surrounding area. These investments are coordinated through the Lobito Atlantic Railway consortium and supported by development finance from the United States' International Development Finance Corporation (DFC), the African Development Bank, and European development agencies.

For CMOC's broader strategic positioning, the Lobito Corridor offers an important diversification of export routes. The company's reliance on southeastern corridors creates vulnerability to disruptions at any single chokepoint. The addition of a western corridor through Angola provides operational resilience and strengthens CMOC's negotiating position with logistics providers on competing routes.

Community Impact

Local Economic Effects

The Kamfundwa mine represents one of the largest formal employers in the Likasi area, contributing to the city's economic base through direct employment, contractor expenditures, and downstream economic activity. Likasi, historically one of the DRC's industrial centres, experienced significant economic decline during the 1990s and 2000s as Gécamines' production collapsed. The revival of mining activity under international operators like CMOC has partially restored formal employment and economic activity to the region.

However, the benefits of large-scale industrial mining are unevenly distributed. Direct employees of CMOC receive salaries, benefits, and working conditions that are substantially above the regional average, creating a visible disparity with the broader population. Local procurement policies aim to channel some of the mine's expenditure into the local economy, but the technical requirements of modern mining operations limit the share of spending that can be sourced locally. Heavy equipment, chemical reagents, and specialised services are predominantly imported, with limited value retention in the Likasi area.

Artisanal Mining and Livelihood Displacement

Artisanal cobalt mining DRC has attracted intense international scrutiny due to documented instances of child labour, hazardous working conditions, and environmental contamination. While Kamfundwa's formal operations are distinct from artisanal mining, the mine operates within a geographic and social context where artisanal mining is widespread. CMOC has stated its commitment to responsible sourcing practices and has implemented measures to prevent artisanal-mined material from entering its supply chain, but the challenge of managing the interface between industrial and artisanal mining remains significant.

The DRC government's Entreprise Générale du Cobalt (EGC), established in 2019 as the state monopoly for artisanal cobalt purchasing, aims to formalise the artisanal sector and create regulated channels for small-scale production. The effectiveness of this programme in the Likasi area remains limited, and artisanal miners continue to operate informally on and around the Kamfundwa concession.

Community Infrastructure and Social Investment

CMOC's community development programme around Kamfundwa includes investments in education, healthcare, water supply, and road infrastructure. The company has constructed and renovated school buildings, funded teacher salaries, and provided educational materials to communities in the mine's area of influence. Healthcare investments include support for local clinics and disease prevention programmes, with particular focus on malaria, tuberculosis, and waterborne diseases that disproportionately affect mining communities.

Water supply projects have included the construction of boreholes and water distribution systems for communities that lack access to clean water. These investments are particularly significant given the potential for mining operations to affect local water quality through acid mine drainage and process water discharge. Road improvements funded by the mine have enhanced connectivity for surrounding communities, though these investments primarily serve the mine's logistical requirements and provide secondary benefits to local populations.

Despite these programmes, community development expenditure by mining companies in the DRC has been criticised as insufficient relative to the value of minerals extracted. Civil society organisations have called for greater transparency in how community development budgets are allocated and spent, and for more meaningful participation by affected communities in the design and implementation of social investment programmes. The DRC's 2018 Mining Code increased the mandatory community development fund contribution from mining companies, but implementation and oversight of these funds remain inconsistent.

Environmental Profile

Water Management

Acid mine drainage (AMD) from exposed pit walls and waste rock dumps represents the most significant long-term water quality risk associated with the operation. The oxidation of sulphide minerals in disturbed rock generates sulphuric acid, which mobilises heavy metals including copper, cobalt, manganese, and zinc. If unmanaged, AMD can contaminate surface water and groundwater resources that local communities depend upon for drinking water, agriculture, and livestock.

CMOC has implemented AMD management measures including lined collection channels, neutralisation treatment systems, and monitoring wells downstream of the operation. The effectiveness of these measures requires ongoing independent verification. Historical mining activity in the Likasi area by Gécamines predates modern environmental management standards, and legacy contamination from earlier operations complicates the assessment of Kamfundwa's incremental environmental impact.

Tailings and Waste Management

The mine's leach pad operations generate spent ore (ripios) that must be managed as waste after the economic extraction of copper and cobalt is complete. Spent ore retains residual acidity and trace metal concentrations that require careful containment to prevent environmental contamination. The leach pads are constructed with engineered liner systems to prevent leachate migration into underlying soils and groundwater.

Waste rock from open-pit and underground mining is deposited in engineered dumps designed to minimise AMD generation. Cover systems, compaction, and revegetation programmes aim to reduce the infiltration of rainwater into reactive rock, limiting the production of acidic drainage. However, the effectiveness of these measures over the long term, particularly in the tropical climate of Haut-Katanga with its intense wet season rainfall, remains a concern that requires continued monitoring.

Air Quality and Emissions

Dust emissions from blasting, hauling, and crushing operations affect air quality in the vicinity of the mine. Dust suppression measures including water spraying on haul roads, covered conveyors, and dust collection systems at crushing plants are employed to mitigate particulate emissions. Sulphur dioxide emissions from the acid plant, where sulphuric acid is produced for the leach circuit, require scrubbing and monitoring to ensure compliance with DRC environmental standards.

The mine's carbon footprint is primarily associated with diesel consumption by the mining fleet, electricity consumption from the DRC's national grid (which is predominantly hydroelectric and therefore relatively low-carbon), and the embodied emissions of imported reagents and equipment. CMOC has not publicly disclosed mine-specific greenhouse gas emissions data for Kamfundwa, though the company reports consolidated Scope 1 and Scope 2 emissions at the group level.

Biodiversity and Land Use

The Kamfundwa concession occupies an area that has been subject to mining activity for decades, resulting in significant historical disturbance to natural habitats. The miombo woodland and Katangan copper flora ecosystems that originally characterised the landscape have been substantially modified by mining, urbanisation, and agricultural clearing. Notably, the Copperbelt region hosts unique metallophyte plant species adapted to copper-rich soils, some of which are found nowhere else on earth. These copper flora species are threatened by habitat destruction from mining expansion.

CMOC's biodiversity management programme includes baseline ecological surveys, habitat restoration on closed mine areas, and the creation of buffer zones around watercourses. The company has stated its commitment to achieving no net loss of biodiversity across its DRC operations, though the metrics and methodologies for measuring this outcome have not been independently verified.

ESG Assessment

Environmental

Social

Governance

Supply Chain and Market Position

Copper Market Context

Kamfundwa's copper cathode production enters a global market experiencing tightening supply-demand fundamentals. Global copper demand is projected to increase by 50-70% by 2040, driven by electrification, renewable energy infrastructure, and electric vehicle manufacturing. The DRC is the world's second-largest copper producer after Chile, with CMOC's combined operations representing a significant share of national output. DRC copper mining has attracted substantial international investment as miners seek to secure supply to meet forecast demand growth.

The mine's SX-EW copper cathode is a premium product that commands a slight price advantage over smelted copper due to its higher purity. LME-registered copper cathode brands from DRC operations are accepted by global commodity exchanges, providing price transparency and liquidity for Kamfundwa's output. However, increasing scrutiny of supply chain due diligence by downstream consumers, particularly European and North American manufacturers, places pressure on CMOC to demonstrate that its copper production meets responsible sourcing standards.

Cobalt Market Position

CMOC's DRC operations, including Kamfundwa, have propelled the company to the position of the world's largest cobalt producer. This market dominance has coincided with a period of significant cobalt price volatility, with prices declining sharply from 2022 peaks due to oversupply from expanded DRC production and reduced demand from battery chemistries shifting toward lower-cobalt or cobalt-free formulations. Despite this price weakness, cobalt remains essential for high-performance lithium-ion batteries used in premium electric vehicles, portable electronics, and aerospace applications.

The strategic importance of cobalt supply chain security has become a major geopolitical concern. The DRC produces approximately 70% of the world's cobalt, with Chinese-owned companies controlling a substantial share of this production. CMOC's dominant position in cobalt production, combined with Chinese control of downstream cobalt refining capacity, has prompted Western governments to pursue supply chain diversification strategies. The Lobito Corridor itself is partly motivated by the geopolitical objective of creating non-Chinese-controlled export routes for critical minerals Africa produces.

Regulatory Framework

Kamfundwa operates under the DRC's 2018 Mining Code, which significantly amended the original 2002 Mining Code that governed the initial concession agreements. Key provisions of the 2018 code affecting Kamfundwa include the classification of cobalt as a "strategic substance" subject to a 10% royalty rate (up from 2% under the 2002 code), the removal of fiscal stability clauses that had protected early investors from tax increases, and increased requirements for community development fund contributions.

CMOC, along with other major mining operators, initially opposed several provisions of the 2018 Mining Code but ultimately acquiesced following government pressure and the risk of concession non-renewal. The elevated cobalt royalty rate has materially affected the economics of Kamfundwa's cobalt production, particularly during periods of low cobalt prices when the 10% ad valorem royalty represents a significant share of per-unit revenue.

The mine's operating permits are subject to periodic renewal by the DRC's Ministry of Mines and the Cadastre Minier (CAMI), the national mining cadastre authority. Permit renewals require demonstrated compliance with environmental management plans, social development obligations, and production reporting requirements. The DRC's mining administration has become increasingly assertive in enforcing these requirements, with non-compliant operators facing permit suspension or revocation.

Timeline

Related Pages

Independent ESG Assessment

Our independent ESG assessment evaluates this operation's environmental management, social impact, governance quality, and disclosure transparency. Environmental assessment covers water management, waste handling, air emissions, biodiversity impacts, and mine closure planning. Social assessment examines community relations, employment practices, local procurement, benefit-sharing, and human rights performance. Governance assessment evaluates corporate transparency, anti-corruption measures, and stakeholder engagement quality.

Assessment findings are incorporated into our quarterly Corridor ESG Scorecards, providing stakeholders with comparable, independent ratings across all major corridor mining operations. Operations meeting our assessment thresholds are eligible for verified ESG ratings issued from our evidence archive — verifiable reputation signals that differentiate responsible operators from those whose ESG claims are unsubstantiated. Rating publication requires demonstrated performance, not just policy commitments.

Community Impact Monitoring

Community impact monitoring around this operation tracks the full spectrum of mining effects on surrounding populations. Employment and procurement spending quantify direct economic benefits to local communities. Environmental monitoring tracks water quality, air quality, and ecosystem health in areas affected by operations. Community consultation processes are evaluated for meaningful participation versus performative compliance. Grievance mechanisms are assessed for accessibility, responsiveness, and outcome fairness.

Our monitoring provides the independent verification that enables stakeholders — investors, regulators, civil society, and affected communities themselves — to assess whether this operation delivers the community benefits that its social licence to operate requires. Documentation is preserved on our source evidence archive, creating permanent records that support long-term accountability and prevent the revisionism that undermines community claims when corporate memory proves conveniently selective.