Examples of tetrad effect in lanthanides in natural systems

The irregular patterns of rare earth elements, caused by the tetrad effect are revised and discussed in this work, covering its concept and subdivision into M and W types, quantification and the mechanisms that led to its occurrence in magmatic-hydrothermal and biological systems. M type patterns...

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Bibliographic Details
Main Authors: Lauro Valentim Stoll Nardi, Maria do Carmo Lima e Cunha, Milton Luiz Laquintinie Formoso
Format: Article
Language:English
Published: Universidade de São Paulo 2014-09-01
Series:Geologia USP. Série Científica
Subjects:
Online Access:http://ppegeo.igc.usp.br/pdf/guspsc/v14n3/02.pdf