Chen He

Peking University

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Zheng Zhao

Chinese Academy of Sciences

Cheng Xu

Chinese Academy of Sciences

Jindřích Kynický

Business Innovation Centre (Czechia)

Wenlei Song

State Key Laboratory of Continental Dynamics

Martin Brtnický

Mendel University in Brno

Antonín Kopřiva

Brno University of Technology

Lize Wang

Peking University

Yue‐Heng Yang

Institute of Geology and Geophysics

Tomáš Urubek

Palacký University Olomouc

Martin Smith

University of Brighton

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Mendel University in Brno

Brno University of Technology

Central European Institute of Technology

Chinese Academy of Sciences

Business Innovation Centre (Czechia)

Peking University

University of Chinese Academy of Sciences

Wenzhou University

State Key Laboratory of Continental Dynamics

Northwest University

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Petrogenesis and mineralization of REE-rich granites in Qingxi and Guanxi, Nanling region, South China

Ore Geology Reviews (2016)

Chen He Cheng Xu Zheng Zhao Jindřích Kynický Wenlei Song

Petrogenesis

Fractional crystallization (geology)

Rare-earth element

10.1016/j.oregeorev.2016.10.021

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Origin of heavy rare earth mineralization in South China

Nature Communications (2017)

Cheng Xu Jindřích Kynický Martin Smith Antonín Kopřiva Martin Brtnický

Abstract Heavy rare earth elements (HREE) are dominantly mined from the weathering crusts of granites in South China. Although weathering processes occur globally, no economic HREE resources of this type have yet been found outside China. Here, we report the occurrence of unidentified REE minerals in the granites from South Chinese deposits. They contain high levels of both HREE and light REE, but are strongly depleted in Ce, implying high oxidation state. These REE minerals show higher initial Nd isotope than primary REE-rich minerals ( ɛ Nd( t )=0.9±0.8 versus −11.5±0.5). The mineralized weathering crusts inherited REE signature of the granites, but show more Ce depletion and more overall concentration of the REE. We propose, therefore, that highly oxidized, REE-rich fluids, derived from external, isotopically depleted sources, metasomatized the granites, which resulted in Ce depletion as Ce 4+ and enrichment of the remaining REE, especially the HREE, contributing to formation of a globally important REE resource.

10.1038/ncomms14598

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Citations (146)