While the world desperately seeks rare earth, China has an overwhelming advantage: it’s called Wem
It seems clear that it has begun A race On the planet: the search for Rare earths and the essential critical minerals for many of the sectors that mark the geopolitical agenda. The problem for 99.9% of nations is the same: when they seem to have reached a deposit there are already A Chinese flag. What is not usually explained so much is how Beijing does. The miliar origin. Deep in the mountains of center of China extends A monumental installation that transforms both the landscape and the global competition for strategic resources. It is a gigantic antenna of 500 kilowatts, with lines that are deployed over 80 and 120 kilometers, originally conceived to maintain communication with underwater underwater. This electromagnetic colossus, whose extension exceeds in five times the New York surfacehas been converted into a decisive instrument for the exploration of critical minerals, projecting signals capable of penetrating kilometers in the earth’s crust and revealing deposits that previously remained out of human reach. What began as a military project has become a Scientific and Technological Weapon which gives Beijing a remarkable advantage in the race for the resources that will define the future of energy and industry. Electromagnetic exploration. A study of the China Geological Survey (CGS), published in the Geophysical & Geochemical Exploration magazine, has detailed how the country has managed to monopolize Electromagnetic systems of ultra-high power. All platforms that exceed 100 kW are in Chinese territory, while the most powerful tool in the United States barely reaches 30 kW. The difference is not trivial: this technological leap has allowed Chinese geologists to discover in recent years sites of historical magnitude, such as the Greater gold deposit of the world, reserves Lithium ultra-extends and uranium veins in depths Never achieved. The research led by Chen Hui and his team affirms That these innovations consolidate China’s world position in electromagnetic exploration theory and technology, placing it far ahead of any western competitor. The challenge. As the superficial deposits of copper, lithium, cobalt and rare earths are exhausted, the exploration has moved to what geologists call The “Second Mineral Space”: An underground strip that extends between 500 and 2,000 meters deep. In this environment, the signs issued by mineral bodies are extremely weak and are usually buried under the cultural noise generated by electricity lines, urban infrastructure and extractive operations. The Chinese response has been to redefine the scale of prospecting: multiply the transmission power by above 100 kWflooding the subsoil with signs capable of crossing interference and reaching depths of up to 3,000 meters with unprecedented clarity. Advances in the subsoil cartography. The jump is not limited to power. While conventional techniques relied on two -dimensional models not suitable for complex structures, Chinese systems use Sensors distributed networks and multidirectional field sources that allow a real three -dimensional image of the subsoil. In the Jiama copper mine, in the Tibet, a controlled audio-magnetothelúrica tensorial study (CSAMT) reached unpublished resolutions at more than 3,000 meters, subsequently confirmed with drilling nuclei. These results They far exceeded to the Magnetotheluric of Natural Source, usually ineffective in saturated noise environments. The methods. One of the most prominent advances is the Electromagnetic method wide field, developed by Professor He Jishan, which allows you to obtain reliable data even in the so -called “nearby field zone”, where the records were not very useful. At the same time, the time-frequency electromagnetic systems are expanding the available information by measuring not only the resistance of the materials, but also its polarization and permeabilityessential parameters to distinguish between different types of deposits. The Wem project. And so we reach the clearest symbol of this ambition: The Wem project (Wireless Electromagnetic Method), whose colossal structure crosses China’s heart with two antenna lines arranged almost at right angles. This system, which began as a naval communication tool, has become the First electromagnetic transmitter of continental scale used in the prospecting of resources. In a national test carried out in 2023its signs were detected from Tibet to Interior Mongolia and Guangdong, more than 2,000 kilometers away. In the area of Xiong’an there were magnetic fields up to seven times higher than the natural background noise, an unequivocal demonstration of the system’s capacity to impose itself on the most complex interference. Strategic advantage. In other words, with these Beijing technologies It is placed at the head of the struggle for the essential mineral resources for the energy transition and the green technologies: lithium for batteries, cobalt for high resistance alloys and rare earths essential in modern electronics. In contrast, most Western countries lack comparable systems and, except Russia, almost none use ultra-high power instruments in terrestrial prospecting. Even the most powerful teams manufactured in the West have been designed at China, which underlines the existing technological dependence. A new geopolitical board. China’s ability to identify deep deposits quickly Not only is it a scientific advantage, but also strategic. Control over technology and data places Beijing in a position to mark the rhythm of the discovery of resources in the coming decades. If you want, in a context where the energy transition redefines the global value chains, who controls access to lithium, cobalt and rare earth will control much of the industrial future. With the deployment of Giant antennas and electromagnetic systems Of unpublished power, China is making it clear that it does not intend to participate in the race: its goal is to win it. Image | Ilo Asia-Pacific, Herry Lawford, Terence Wright In Xataka | The great covered in the War of Critical Minerals is Tungsten. The US needs it and 83% have it China In Xataka | In 1978 Chinese engineers visited two key US companies. On his return an empire began: the rare earths