Mud in this small Japanese island could change the global economy
https://edition-m.cnn.com/2018/04/16/asia/japan-rare-earth-metals-find-china-economy-trnd/index.html
Even if enormous amount of rare earth metals are found deep in ocean, it doesn't mean that it's usable at the same time. It depends on how difficult it is to dig them out. If it's so difficult that it costs much more than digging than out from current mines, it is in vain.
But, we can expect development of technology to reduce mining cost.
It is too early to ignore the new mine.
