[S-CG56] Petrology, Mineralogy and Resource Geology

Thu. May 26, 2016 10:45 AM - 12:15 PM 201B (2F)

Convener:*Tatsuo Nozaki(Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology), Akira Miyake(Department of Geology and Mineralogy, Graduate School of Science, Kyoto University), Nobutaka Tsuchiya(Department of Geology, Faculty of Education, Iwate University), Satoshi SAITO(Graduate School of Science and Engineering, Ehime University), Chair:Nobutaka Tsuchiya(Department of Geology, Faculty of Education, Iwate University), Satoshi SAITO(Graduate School of Science and Engineering, Ehime University)

We widely invite presentations in the fields of petrology, mineralogy and resource geology. Especially description of minerals and rocks, investigation of their origin and evolution by field investigation and/or laboratory experiments, and development of new methods are accepted.

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10:45 AM - 11:00 AM

[SCG56-03] Arsenic Occurrence and Its Origin in Sulfides Deposits of the Hokusetsu Area, Osaka, Japan

*Emilie Even¹, Harue Masuda¹, Takafumi Hirata² (1.Osaka City University, 2.Kyoto University)

11:00 AM - 11:15 AM

[SCG56-04] Mantle potential temperature in Ordovician estimated from ultramafic dikes in the Hayachine-Miyamori Ophiolite

*Takafumi Kimura¹, Kazuhito Ozawa¹ (1.Department of Earth and Planetary Science, The University of Tokyo)

11:15 AM - 11:30 AM

[SCG56-05] Formation mechanism of spherulite in welded tuff: devitrification induced by volatile components

*Takuya Echigo¹, Yoichiro Saito², Mitsuyoshi Kimata³, Masahiro Shimizu³, Norimasa Nishida⁴, Shigeru Takizawa⁵ (1.Faculty of International Resource Sciences, Akita University, 2.Master's Program in Science and Engineering, University of Tsukuba, 3.Doctoral Program in Earth Evolution Sciences, Graduate School of Life and Environmental Sciences, University of Tsukuba, 4.Chemical Analysis Division, Research Facility Center for Science and Technology, University of Tsukuba, 5.National Research Institute for Earth Science and Disaster Prevention)

11:30 AM - 11:45 AM

[SCG56-06] Crystallization mechanism of groundmass nanolites inferred from the crystal size distribution of the Shinmoedake 2011 eruption

*Mayumi Mujin¹, Michihiko Nakamura¹, Akira Miyake² (1.Division of Earth and Planetary Materials Science,Department of Earth Science,Tohoku University, 2.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University)

11:45 AM - 12:00 PM

[SCG56-07] Formation of Sodium-rich, High-Mg# Melt by Reaction of Felsic Melt with Peridotite:
Implications from Felsic Veins Observed in the Magarisawa Peridotite, Hidaka Mountains, Northern Japan

*Kohei Yamashita^1,2, Jinichiro Maeda³, Masako Yoshikawa⁴, Tomoyuki Shibata⁴, Toru Yamasaki² (1.Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 2.Research Institute of Geology and Geoinformation, Geological Survey of Japan, AIST, 3.Department of Natural History Sciences, Faculty of Science, Hokkaido University, 4.Beppu Geothermal Research Laboratory, Kyoto University)

12:00 PM - 12:15 PM

[SCG56-08] Crystallization history and petrogenesisi of the Hikami granitic rocks, south Kitakami Mauntains, Japan

Jun Sasaki¹, *Nobutaka Tsuchiya¹, Tatsuro Adachi², Nobuhiko Nakano², Ippei Kitano², Yasuhito Osanai², Yoshiko Adachi³ (1.Department of Geology, Faculty of Education, Iwate University, 2.Department of Earth Sciences, Faculty of Social and Cultural Studies, Kyushu University, 3.Center for Transdisciplinary Research, Niigata University)