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

[R7-P-06] High-Ti biotite in the alkali volcanic rock from the Akiyoshi Belt and its significance

*Kosuke Kimura¹, Kaushik Das², Yasutaka Hayasaka³ (1. Osaka Metro. Univ. Sci., 2. Hiroshima Univ., 3. Amakusa Mus. Goshoura Dinosaur Isl.)

Keywords:Akiyoshi Belt, Greenstone, Zircon U-Pb age, High titanium biotite