Diversity of rare earth deposits: the key example of China

Jindrich Kynicky, Martin Smith, Xu Cheng

Research output: Contribution to journalArticle

Abstract

As a source of strategic commodities for high technologies, the deposits of rare earth elements (REEs) in China are a world-class phenomenon. The combination of the world’s largest accumulation of REEs in the Bayan Obo deposit and the low cost of mining the extremely valuable heavy REEs from residual deposits makes China almost a monopoly producer. Research on a range of Chinese deposits shows that not only hypogene but also secondary processes create economic REE deposits. These deposits have characteristic REE distribution patterns, which range from primary light REE enrichment in carbonatites from the Himalayan Mianning–Dechang orogenic belt and in metamorphosed carbonatite and polyphase mineralization at Bayan Obo, through unusual flat REE patterns in carbonatites from the Qinling orogenic belt, to strong secondary heavy REE enrichment in residual clays from southern China.
Original languageEnglish
JournalElements
Volume8
Issue number5
Publication statusPublished - 19 Oct 2012

Bibliographical note

© 2012 Mineralogical Society of America

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