南鳥島沖のレアアース、半分以上が貴重な元素類国産化には課題も山積
It has been confirmed that more than half of the rare earths recovered from the deep-sea floor off Minamitorishima, Japan's easternmost island, are "medium and heavy rare earths," a group of valuable elements useful for high-tech products.
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It has been confirmed that more than half of the rare earths recovered from the deep-sea floor off Minamitorishima, Japan's easternmost island, are "medium and heavy rare earths," a group of valuable elements useful for high-tech products.
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