[2poster56-76] T15 ［Topic Session］Regional geology and stratigraphy: review and prospect

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[T15-P-27] Discrimination and correlation of the Miocene and Pliocene caldera ejecta in Yamagata and Fukushima prefectures based on chemical compositions of heavy minerals.

*Kotomi TOGASHI¹, Reishi TAKASHIMA², Yuji ORIHASHI³, Yoshihiro ASAHARA⁴, Kouki NAGAHASHI⁵, Takumi KITAMI⁶, Azumi KUROYANAGI² (1. Department of Earth Science, Graduate School of Science, Tohoku University, 2. The Center for Academic Resources and Archives Tohoku University Museum, 3. Graduate School of Science and Technology, Hirosaki University, 4. Department of Earth and Environmental Sciences, Graduate School of Environmental Studies, Nagoya University, 5. ITOCHU ENEX Co., Ltd., 6. Nippon Koei Co., Ltd.)

Keywords:

Neogene,caldera,apatite,trace element composition

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