Africa Critical Minerals Timeline 1885–2026: From Colonial Extraction to the Global Race for Copper, Cobalt & Lithium

DR Congo’s Katanga province — the Copperbelt’s southern half — produces most of the world’s mined cobalt and ranks as the world’s second-largest copper producer after Chile, at roughly 3.2–3.3 million tonnes and close to 14% of global copper output as of 2025. Large-scale industrial mining, much of it run through Chinese and other international joint ventures with the state miner Gécamines, sits alongside a very different and much older layer of activity: artisanal and small-scale mining, worked largely by hand.

Artisanal Mining Is Not the Whole Sector — But It Is a Real One

Across Sub-Saharan Africa, roughly 10 million people work directly in artisanal and small-scale mining (ASM), with tens of millions more dependent on it indirectly, according to World Bank/Pact estimates. In DR Congo’s copper-cobalt belt specifically, artisanal miners supply a meaningful minority share of cobalt output, working conditions that can range from informal but organised cooperative sites to genuinely dangerous, unregulated digging. This is not the entire Congolese mining sector — industrial mines account for most tonnage — but it is a real, large livelihood system that a purely industrial narrative erases.

• Working conditions: tunnel collapses, minimal safety equipment and exposure to toxic dust are documented risks at unregulated ASM sites.
• Child labour concerns have been documented at some sites, though formalisation and traceability programs (including OECD-aligned due-diligence schemes) aim to separate compliant supply chains from non-compliant ones.
• Middlemen and traceability: artisanal cobalt often passes through several traders before reaching a formal buyer, which is exactly the point in the chain where mixing with non-compliant material becomes hardest to police.
• Livelihoods: for many communities with few formal-employment alternatives, ASM is not a problem to be eliminated but an income source to be formalised and made safer.

Can a “Green” Battery Have a Dirty Supply Chain?

Yes — and that is not a contradiction, it is a supply-chain-transparency problem. An EV can cut emissions at the point of use while the mineral extraction behind its battery creates real land, water, labour and community impacts. The honest framing is not “EVs are secretly dirty” or anti-EV alarmism — it’s that clean-energy technology doesn’t automatically launder its own supply chain, and traceability, audits and formalisation of artisanal supply are unglamorous but necessary parts of getting this right.

Zimbabwe is Africa’s largest lithium producer, a position built almost entirely in the last five years on Chinese-financed mines and, increasingly, Chinese-built processing plants. Having already banned raw lithium ore exports in 2022, the government announced in June 2026 that it will ban exports of lithium concentrate too, starting January 2027 — closing the loop so that essentially nothing leaves the country before some battery-grade refining happens.

This is a real strategy, not a guaranteed success. As of this update, Zimbabwe’s only completed lithium sulphate plant has stated it will not process material from other companies’ mines, and several other announced processing projects face real odds of missing the January 2027 deadline. The likely outcomes range from on-time delivery for well-financed projects, to negotiated grace periods, to production curtailments at mines whose ore has nowhere approved to go. Present this as a genuine policy bet with real industrial-economics risk, not a done deal.

Guinea holds some of the world’s largest bauxite reserves and is, by volume, the world’s largest bauxite exporter — roughly 183 million tonnes in 2025, with exports accelerating further through 2026 on Chinese demand (China takes more than 70% of Guinea’s bauxite). The value chain from here is well-understood: bauxite → alumina → aluminium, with each step adding substantial value. Raw bauxite ore captures only a small fraction of what refined alumina or finished aluminium eventually sell for.

Guinea’s 2026 move to control bauxite exports and push more alumina refining domestically follows that same logic seen in Zimbabwe and DR Congo. The constraint is different, though: alumina refining is extremely energy-intensive, and building that kind of power capacity — reliably, at industrial scale — is a multi-year, multi-billion-dollar undertaking in its own right, independent of the mining side entirely.

Zambia shares the Copperbelt with DR Congo but has followed a distinct policy path: nationalisation via the 1968–70 Mulungushi Reforms and ZCCM, collapse and privatisation through the 1990s, and a renewed foreign-investment wave (heavily Chinese, but not exclusively) from the 2000s onward. Zambia’s copper industry today depends on the same logistics bottleneck DR Congo faces — getting ore and refined copper to a port — which is exactly why Zambia sits at the geographic hinge of both the Lobito Corridor (westward, to the Atlantic) and TAZARA (eastward, to the Indian Ocean).

Zambia and DR Congo are often merged into one “Copperbelt” story in casual coverage. They shouldn’t be: different national mining companies, different nationalisation and privatisation histories, different current government policy on local processing and different — sometimes competing — interests in which export corridor gets built out fastest.

South Africa holds the world’s largest reserves of platinum-group metals (PGMs) — platinum, palladium, rhodium and related metals used in catalytic converters, electronics and industrial catalysis — alongside major manganese and chromium production, both essential to steelmaking. Unlike DR Congo or Zimbabwe, South Africa has a genuinely mature mining-processing legacy, including domestic smelting and refining capacity built up over decades. Its current constraint is different too: chronic electricity shortages (load-shedding) have repeatedly hit mining and smelting output over the past several years, a reminder that even a country with real processing infrastructure needs reliable power to run it. Where lithium exploration has expanded in South Africa, it has come with the same environmental and community-consultation concerns seen elsewhere on the continent — land access, water use and benefit-sharing with local communities.

Kenya’s Mrima Hill deposit in Kwale County is one of the most significant undeveloped rare-earth and niobium deposits identified globally, sitting close to the Port of Mombasa. In 2026 the U.S. State Department pledged support for Kenya’s critical-minerals processing ambitions, and a shortlist of six bidders (including two U.S. firms) narrowed toward a final award. It is important to separate the estimate from the reality: Mrima Hill is a resource estimate, not a proven, producing mine, and “tens of billions of dollars” is a valuation of potential in-ground material, not revenue anyone has earned yet.

Madagascar’s Ampasindava project, backed by a small but symbolically important U.S. Development Finance Corporation commitment ($4.8 million) alongside London-listed developer Harena Rare Earths’ roughly $150 million investment, targets magnet-grade rare earths (neodymium, praseodymium, dysprosium, terbium) used in permanent magnets for motors and some defence applications. Production is targeted for mid-2028 — this is pilot-stage financing, not an operating mine, and readers should treat any near-term production claims about it with real skepticism.

Both cases matter less for their current output (near zero) than for what they signal: the critical-minerals race is no longer confined to the traditional copper-cobalt-bauxite belt. It is spreading into new jurisdictions, with early-stage Western interest specifically aimed at diversifying supply chains away from near-total dependence on Chinese-controlled processing.

DR Congo already leads the world in cobalt and ranks #2 in copper — yet the national geological survey (SGNC) estimates that systematic geological exploration currently covers only about 20% of the country’s territory. That is not the same as saying the remaining 80% necessarily hides huge undiscovered deposits — it means the country genuinely doesn’t yet know what much of its own geology holds.

Since January 2026, the DRC government and Spain’s Xcalibur Smart Mapping have run a three-year, $180 million airborne geophysical and geological survey covering more than 700,000 km² across Kasai, Kwango, Kongo Central and Katanga provinces — magnetic and radiometric data collected from aircraft, digitised and analysed to flag exploration targets, feeding into a national geological databank the government says it will keep ownership of. The databank is expected to be fully operational by the end of 2026, with tiered access planned: basic geological data free to access, more sensitive or detailed exploration data potentially fee-based.

An airborne survey identifies geophysical anomalies, not confirmed deposits — drilling, sampling and economic feasibility studies still have to follow before anything becomes a “resource,” let alone a proven, economically recoverable “reserve.” Congo is beginning to treat geological data itself as a strategic resource — better information means lower exploration risk for investors, sharper negotiating leverage for the government, and licensing decisions made with far more knowledge than DRC officials have historically had relative to the companies exploring their own territory.

This is the article’s most important honest answer, and it isn’t a conspiracy. Processing clusters where several things already exist together: cheap and reliable electricity, established industrial clusters and supplier networks, existing refineries and smelters, deep-water ports, mature chemical-handling infrastructure, trained technical workforces, accessible project finance, large committed customers, and environmental permitting systems that can move at industrial speed. China built most of this for battery minerals over roughly fifteen years, deliberately, at a national-industrial-policy scale. Most African mineral-producing regions currently have some, but rarely all, of these ingredients at once — which is exactly the gap Zimbabwe’s export ban, Guinea’s alumina push and DR Congo’s Lobito investment are each, in their own way, trying to close.

A balanced account of Africa’s mineral economy has to include its costs, not only its potential. Mining — industrial or artisanal — disturbs land, consumes and can contaminate water, generates tailings that require long-term management, uses significant energy, affects biodiversity, and eventually requires mine closure and site rehabilitation that is easy to underfund. Communities near mine sites carry real stakes: jobs and local procurement on the upside; land-rights disputes, compensation disagreements, health impacts and resettlement on the downside. None of this is erased by a mineral’s eventual use in clean-energy technology — an EV battery reducing tailpipe emissions doesn’t retroactively clean up the water table near the mine that supplied its cobalt. Responsible-sourcing frameworks (OECD due-diligence guidance, EITI transparency reporting, company-level traceability programs) exist specifically to manage this gap; they are unevenly applied, and readers should treat any single company’s “responsibly sourced” claim as a starting point for scrutiny, not a guarantee.

“Resource nationalism” describes government tools aimed at capturing more value from natural resources for the national economy — export bans, export taxes, mandatory state equity stakes, higher royalties, local-processing requirements and local-content/ownership rules (like Ghana’s 2025–26 mining localisation push). These tools can work: they can force investment into processing that otherwise wouldn’t happen, and they can shift bargaining power toward government. They can also backfire: scare off investment, strand ore that has nowhere legal to go, or simply fail if the underlying industrial economics (power, finance, skills) were never actually in place. Zimbabwe’s looming 2027 deadline is, right now, a live test of exactly that trade-off.