R7: Petrology, Mineralogy and Economic geology (Joint Session with Society of Resource Geology)

2:15 PM - 2:45 PM JST(5:15 AM - 5:45 AM UTC)Invited Lecture

[R7-09] Speciation of rare earth elements (REEs) in ion-adsorption-type REE mineralization of Tanakami weathered granite

*Makoto Nagasawa¹, Yoshio Takahashi² (1. GSJ, AIST, 2. UTokyo, Sci.)

Keywords:

Rare earth element,Ion-adsorption-type deposit,Weathered granite,Soil pH,X-ray absorption fine structure

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