[3poster36-44] T4 ［Topic Session］Geopark to enjoy and learn about the earth and human activities）

[T4-P-2] Preliminary report of Sr-Nd-Hf isotopic composition of the western volcanic rocks belong to "the Subari andesite" erupted from late Miocene to Pliocene in Happo town, Akita prefecture

*Masataka AIZAWA¹, Mitsuhiro YASUI², Tomimasa HATAKEYAMA³, Takumi IMURA⁴, Kazuhito SUZUKI⁵, Satoru SUZUKI⁵, Shizuka NISHIDE⁵, Shintaro HAYASHI⁶ (1. Hokkaido Education University, Sapporo Campus, 2. Happy Mush, Co., Ltd., 3. Okuyama Boring, Co., Ltd., 4. Yamagata University, 5. Guide group of Happo-Shirakami Geopark, 6. Professor Emeritus, Akita University)

Keywords:

Happo-Shirakami Geopark,Subari Andesite,Across arc variation,Volcanic subzone

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