Detail publikace

Origin of heavy rare earth mineralization in South China

XU, C. KYNICKÝ, J. SMITH, M. KOPŘIVA, A. BRTNICKÝ, M. YANG, Y. URUBEK, T. ZHAO, Z. HE, C. SONG, W.

Originální název

Origin of heavy rare earth mineralization in South China

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

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 (eNd(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 Ce4+ and enrichment of the remaining REE, especially the HREE, contributing to formation of a globally important REE resource.

Klíčová slova

Heavy rare earth elements (HREE); REE minerals; granites

Autoři

XU, C.; KYNICKÝ, J.; SMITH, M.; KOPŘIVA, A.; BRTNICKÝ, M.; YANG, Y.; URUBEK, T.; ZHAO, Z.; HE, C.; SONG, W.

Vydáno

21. 2. 2017

ISSN

2041-1723

Periodikum

NATURE COMMUNICATIONS

Ročník

8

Číslo

14598

Stát

Spojené království Velké Británie a Severního Irska

Strany od

1

Strany do

7

Strany počet

7

BibTex

@article{BUT142030,
  author="Cheng {Xu} and Jindřich {Kynický} and Martin P. {Smith} and Antonín {Kopřiva} and Martin {Brtnický} and Yueheng {Yang} and Tomáš {Urubek} and Zheng {Zhao} and Chen {He} and Wenlei {Song}",
  title="Origin of heavy rare earth mineralization in South China",
  journal="NATURE COMMUNICATIONS",
  year="2017",
  volume="8",
  number="14598",
  pages="1--7",
  doi="10.1038/ncomms14598",
  issn="2041-1723"
}