For years, the geopolitical debate surrounding Rare Earth Elements (REEs) focused on who held the most valuable dirt. The narrative was simple: China dominates REE mining, therefore China controls the supply.
But a critical, complex truth has emerged that reshapes this entire struggle: China’s true leverage lies not in the ground, but in the highly technical, d---y, and costly process of refining.
A recent in-depth analysis from Sean Foo highlights why this distinction is crucial. While China’s share of global REE mining has decreased significantly—from nearly 99% down to around 68%—its control over the critical global refining capacity remains stubbornly above 90%. This is the choke point that gives Beijing overwhelming strategic leverage, and it’s threatening to decouple global supply chains across every high-tech sector.
Rare earths are 17 distinct metallic elements vital for everything from iPhones and F-35 fighter jets to permanent magnets used in electric vehicles (EVs) and wind turbines. Getting them out of the ground is only the first step. The refining process—separating the elements and purifying them—is brutally complex, immensely costly, and environmentally destructive.
This 90% control means that even if the US were to rapidly expand its domestic mining operations, the raw materials would still have to be sent overseas—often through Chinese-linked facilities—for final processing.
As trade tensions escalate, facilitated by tariffs and the broader trade war initiated by the T------------------n, China has begun to utilize this refining dominance. Strategic export curbs on rare earths are not a hypothetical threat; they are already starting to cause a genuine supply squeeze across the US supply chain.
If the squeeze tightens, US manufacturers could face crippling cost increases or, worse, production halts, potentially grinding key segments of the industrial base to a standstill.
Perhaps the most damaging unintended consequence of the recent geopolitical maneuvering has been the impact on the crucial semiconductor and AI sector. The trade war, designed to curb China’s technological ascent, has arguably accelerated it.
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When the US effectively shut American chipmaker giants like Nvidia out of the massive Chinese market, the reaction was predictable: China accelerated the funneling of resources into domestic champions like Huawei. This not only hurt US export revenues but intensified China’s drive toward technological self-sufficiency in chip manufacturing and AI.
The interconnectedness is clear: US AI dominance relies on specialized chips; chip supply chains rely on rare earths and their processing; and that processing is controlled by China. The US finds itself in a precarious feedback loop requiring painful and costly disentanglement.
While politically appealing, these interventions introduce significant economic risks. Subsidies and price floors can distort markets, leading to potential oversupply and inefficient distribution of benefits, diverting capital that might otherwise be used more effectively. The US faces the challenge of building a viable, cost-competitive industry without creating a permanently dependent and inefficient protectionist structure.
The sobering reality, according to experts, is that China’s rare earth leverage is not a short-term crisis—it is likely to persist for decades.
The US faces a long, enormously costly battle to rebuild autonomy in these critical materials and technologies. This geopolitical rivalry is no longer just about tariffs or trade balances; it is about who controls the foundational elements of the 21st-century economy.
For further in-depth analysis on this complex geopolitical dynamic, we recommend watching the full report from Sean Foo.
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