The Lanthanide “Tetrad Effect” as an Exploration Tool for Granite-Related Rare Metal Ore Systems: Examples from the Iberian Variscan Belt

Highly fractionated granites and related magmatic-hydrothermal ore-forming processes can be traced by elemental ratios such as Nb/Ta, K/Rb, Y/Ho, Sr/Eu, Eu/Eu*, Zr/Hf, and Rb/Sr. The lanthanide “tetrad effect” parameter (TE<sub>1,3</sub>) can also be a useful geochemical fingerprint of h...

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Bibliographic Details
Main Authors: Ivo Martins, António Mateus, Michel Cathelineau, Marie Christine Boiron, Isabel Ribeiro da Costa, Ícaro Dias da Silva, Miguel Gaspar
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Minerals
Subjects:
Online Access:https://www.mdpi.com/2075-163X/12/9/1067