Summary:

- Researchers have discovered a massive rare earth deposit in Yunnan, China, which could significantly boost the country's rare earth production capacity.
- The deposit is estimated to contain over 200 million tons of rare earth minerals, making it one of the largest known reserves in the world.
- The discovery is expected to strengthen China's dominance in the global rare earth market, as the country already accounts for over 60% of the world's rare earth production.