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What minerals get dug up in war zones? Does fighting hurt cobalt and coltan?

Research question: What specific minerals are being extracted in the conflict zones, and how does the current fighting affect the supply chains for cobalt and coltan?

The records show that the conflict minerals driving instability in Eastern Congo are coltan, gold, and tin 2, and that the 3Ts (tin, tungsten, tantalum) plus gold are defined as conflict minerals whose trade funds armed struggle 3. The eastern DRC also contains tantalite, cassiterite, and tungsten, which are critical electronics components 6. The records do not describe how current fighting affects cobalt or coltan supply chains; they show only that the mining economy remains largely informal and dominated by armed groups or elites 4, and that insecurity and illegal mineral trade continue despite the Rwanda-DRC Peace Accord 5. The cobalt facts concern Katanga's copper-cobalt operations rather than the eastern conflict zones 1314, and the newest facts are dated 2026, though none give a specific month 2.

Checked 2026-10-21. Only documented and supported facts are used.
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Sources

[1] documented
Mining concessions do not affect the number of conflicts at the territory level but do foster violence at the district level.
"whereas concessions have no effect on the number of conflicts at the territory level (lowest administrative unit), they do foster violence at the district level (higher administrative unit)."
Mineral resources and conflicts in DRC: a case of ecological fallacy? (2013)
[2] supported
The specific conflict minerals driving instability and militia formation in Eastern Congo are identified as coltan, gold, and tin.
"The struggle to gain control and exploitation of the conflict minerals e.g., coltan, gold, and tin has contributed to the development of armed militias and reduced the efficiency of the state authority (Autesserre, 2010)."
From Militias to Minerals: The Economic and Security Effects of the Rwanda-DRC Peace Accord on Eastern Congo (2026)
[3] supported
Conflict minerals are defined as tin, tungsten, tantalum (the 3Ts), and gold, whose trade finances armed struggle and human rights violations in war-affected regions.
"Conflict minerals are natural resources including tin, tungsten, tantalum (3Ts) and gold whose mining and trade is used to finance armed struggle and human rights violation especially in volatile or war-affected regions (Global Witness, 2010)."
From Militias to Minerals: The Economic and Security Effects of the Rwanda-DRC Peace Accord on Eastern Congo (2026)
[4] supported
Despite government efforts to formalize the sector through certification and mining police, the mining economy in Eastern Congo remains largely informal and dominated by armed groups or politically influential elites.
"Even though the agreement did create political space in which the policies partnership agreement and donor-funded governance projects could be conducted, much of the mining economy has stayed informal and dominated by the armed groups or politically influence elite (Le Billon, 2011)."
From Militias to Minerals: The Economic and Security Effects of the Rwanda-DRC Peace Accord on Eastern Congo (2026)
[5] supported
Insecurity and illegal activities in the mineral trade continue to sabotage sustainable development and civilian protection despite peace efforts like the Rwanda-DRC Peace Accord.
"insecurity and illegal activities of the mineral trade still sabotage the process of sustainable development and protection of civilians (UN Group of Experts, 2020)."
From Militias to Minerals: The Economic and Security Effects of the Rwanda-DRC Peace Accord on Eastern Congo (2026)
[6] documented
The eastern DRC contains valuable industrial minerals including tantalite, cassiterite, and tungsten, which are critical components in the electronics industry.
"The eastern DRC has valuable industrial minerals such as tantalite, cassiterite and tungsten, all of which are critical components in the electronics industry."
A Critical Analysis of Human Rights Due Diligence Processes in Mineral Supply Chains: Conflict Minerals in the DRC (2014)
[7] documented
Violent conflict in the eastern DRC since 1996 has claimed more than 5 million lives, making it one of the world's worst humanitarian crises.
"Since 1996 this part of the DRC has seen violent conflict that has claimed more than 5 million lives and is considered one of the world’s worst humanitarian crises."
A Critical Analysis of Human Rights Due Diligence Processes in Mineral Supply Chains: Conflict Minerals in the DRC (2014)
[8] supported
The minerals trade in the DRC provides both an incentive and a means for belligerents to maintain their military operations.
"The demand for these ‘conflict minerals’ remains strong and the minerals trade continues to provide both an incentive and a means for belligerents to maintain their operations."
A Critical Analysis of Human Rights Due Diligence Processes in Mineral Supply Chains: Conflict Minerals in the DRC (2014)
[9] supported
Approximately 90% of minerals in the DRC are mined using artisanal methods and are often traded informally.
"In the DRC, about 90% of minerals are mined using artisanal methods, and minerals are often traded informally."
A Critical Analysis of Human Rights Due Diligence Processes in Mineral Supply Chains: Conflict Minerals in the DRC (2014)
[10] supported
The Democratic Republic of the Congo is a major producer of cobalt, copper, diamonds, gold, and coltan, with mineral resources estimated to be worth over a trillion dollars.
"The DRC is also known for its rich mineral resources and the country has long been a major producer of cobalt, copper, diamonds, gold, and, more recently, coltan. The mineral resources of the country are estimated to be worth more than a trillion dollars, drawing the attention of international companies and investors."
Extractivism and Conflict: Comparative Study of Serbia and the DRC (2023)
[11] supported
The extraction of minerals like lithium and gold in Serbia and the DRC poses significant threats to the environment and public health due to a lack of infrastructure to counteract degradation.
"The extraction of minerals such as lithium and gold could pose a significant threat to the environment and the health of people in these countries. Serbia and the DRC’s reliance on foreign companies to implement the mining projects as well as a lack of proper investment in infrastructure and facilities that can counteract the effects of environmental degradation have created vicious cycles of depe"
Extractivism and Conflict: Comparative Study of Serbia and the DRC (2023)
[12] supported
In the DRC, conflict is frequently driven by the displacement of communities and difficult relationships between large mining companies and local miners, often due to forced resettlement and lack of compensation.
"The displacement of communities as well as difficult relationships between large mining companies and local miners are common sources of conflict in the DRC (de Koning 2013). These conflicts have arisen due to the local population’s fear of being forced to resettle by the mining companies and due to lack of compensation and disregard for the livelihoods of those communities."
Extractivism and Conflict: Comparative Study of Serbia and the DRC (2023)
[13] supported
The mining activity examined in the source concerns copper and cobalt in Katanga, DRC, carried out by multinational corporations.
"The chapter examines corporate authoritarian practices in the context of copper and cobalt mining by multinational corporations in Katanga, DRC."
Corporate Authoritarian Practices (2023)
[14] supported
Katanga Mining's project in the Democratic Republic of the Congo is a copper-cobalt processing project.
"In 2006, Hatch was awarded a contract to supply fluidized bed technology for the Katanga Mining Limited (KML) copper-cobalt processing project in D.R. Congo [1]."
Cobalt Recovery Through Sulphating Roast of Cu/Co Concentrate of Katanga Mining (2013)
[15] supported
Glencore and the Chinese state-owned company CNMC Huachin are the central corporate examples of the Katanga mining operations.
"It starts with a focus on the Swiss multinational Glencore and the Chinese state-owned company CNMC Huachin, before zooming out to demonstrate broader patterns of silencing, secrecy, and lies by other multinational mining corporations operating in the region."
Corporate Authoritarian Practices (2023)
[16] supported
The Katanga facility was historically one of the largest cobalt and copper producers in the world.
"The new roaster and the associated solids and off-gas treatment plants are part of the revitalization of an existing facility, which was historically one of the largest cobalt and copper producers in the world."
Cobalt Recovery Through Sulphating Roast of Cu/Co Concentrate of Katanga Mining (2013)