The government of Guinea has imposed an immediate ban on the export of raw gold, a move that threatens to destabilise supply chains for British mining companies operating in West Africa. The decree, announced late on Tuesday by the Ministry of Mines and Geology, requires all gold produced in the country to be refined domestically before leaving Guinea. This policy shift is the latest in a series of resource nationalism measures sweeping across the continent, as African nations seek to capture more value from their mineral wealth.
The ban affects major UK-listed miners including Hummingbird Resources and its Yanfolila mine, which borders Guinea. Although the mine is located in Mali, its proximity to the Guinean border means logistical routes for gold transport could be disrupted. Guinea is the world's second-largest bauxite producer and holds significant gold reserves, with artisanal and industrial output estimated at 30 tonnes per year.
The new law mandates that all gold must be processed at the newly built Kankan refinery, which has a capacity of 10 tonnes per year. Critics argue the refinery lacks sufficient capacity to handle the current output, potentially leading to a backlog. The ban is reminiscent of similar moves by Tanzania and Ghana, which imposed export restrictions on gold and other minerals in recent years.
For UK miners, the challenge is twofold: they face increased operational costs from forced domestic processing, and they risk losing access to international markets if local refining standards fall short. Dr. Helena Vance, Science and Climate Correspondent, notes that this is part of a broader geopolitical shift.
Resource nationalism is accelerating as nations seek to leverage their geological assets in a decarbonising world. Gold, unlike fossil fuels, retains its value in a low-carbon economy. This makes it a strategic resource, and governments are acting accordingly."
The UK Foreign Office has issued a statement expressing "concern" over the ban and urging Guinea to uphold international trade agreements.
However, with gold prices hovering near record highs and global demand for safe-haven assets rising, analysts expect more African countries to follow Guinea's lead. The immediate impact on gold prices has been muted, but traders are watching closely. The ban also raises questions about the viability of new mining projects in Guinea, particularly the large-scale developments planned by AngloGold Ashanti and others.
Investors are likely to demand higher risk premiums for projects in jurisdictions with unstable regulatory environments. For UK miners, the new resource war in Africa means adapting to a world where raw materials are no longer freely exported. The path forward may involve joint ventures with state-owned entities or investments in local processing facilities.
As Dr. Vance puts it, "The era of easy resource extraction is ending.
We are entering a phase where value addition at source is non-negotiable. This is not a temporary policy blip; it is a structural shift in the global resource economy." The next few weeks will be critical as mining companies assess the feasibility of refining in Guinea and negotiate with the government.
For now, the ban stands, and the UK's gold supply chains face a new bottleneck.








