Possible mechanisms of REE fractionations as colloidal particles during the chemical weathering

Yasumasa Ogawa, Shin Ichi Yamasaki, Noriyoshi Tsuchiya

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The REE extraction experiments using weathered slates with different weathering levels reveal that REEs are mainly removed as truly dissolved species from the non-weathered black slate and conversely as colloidal particles from the weathered slate. Further, the state of each REE in colloidal particles with different weathering levels is different. If colloidal particles are concerned with chemical weathering and elemental transport, the fractionations among tri-valence REEs could be caused.

Original languageEnglish
Title of host publicationWater-Rock Interaction - Proceedings of the 12th International Symposium on Water-Rock Interaction, WRI-12
Pages441-444
Number of pages4
Publication statusPublished - 2007 Dec 1
Event12th International Symposium on Water-Rock Interaction, WRI-12 - Kunming, China
Duration: 2007 Jul 312007 Aug 4

Publication series

NameWater-Rock Interaction - Proceedings of the 12th International Symposium on Water-Rock Interaction, WRI-12
Volume1

Other

Other12th International Symposium on Water-Rock Interaction, WRI-12
CountryChina
CityKunming
Period07/7/3107/8/4

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Water Science and Technology

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