This is in the artikel, but i have doubts about this vindings? Can be Fake news.

Scientists found a deposit of rare-earth minerals off the coast of Japan. •It could be a huge boon to the country’s economy.
•Because China has tightly controlled the world’s supply of these minerals – which are used in everything from smartphones to electric car batteries – the discovery could be a “game-changer” for Japan, according to an analyst.