Fossilized fish linked to rare earths deposits

MINING.COM | Scientists at the University of Tokyo discovered that a large deposit of rare earths near the Japanese island of Minamitorishima is linked to the existence of fossilized fish.


In a paper published in the journal Scientific Reports, the researchers explain that ancient global climate change and certain kinds of undersea geology drove fish populations to specific locations. As remains of the fish fossilized, they accumulated valuable elements and these fossil beds became concentrated deposits of rare-earth elements and yttrium (REY).


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