Session Details
R7: Petrology, Mineralogy and Economic geology (Joint Session with Society of Resource Geology)
Sat. Sep 26, 2026 12:30 PM - 2:00 PM JST
Sat. Sep 26, 2026 3:30 AM - 5:00 AM UTC
Sat. Sep 26, 2026 3:30 AM - 5:00 AM UTC
Poster (336, 340, 341)
[R7P-01]Mineralogical and Geochemical characteristics of hidden magmatism in old oceanic lithosphere revealed by International Ocean Drilling Programme (IODP3) Expedition 502
*Norikatsu AKIZAWA1, Kazuto Mikuni2, Jennifer Lington3, Christopher Yen4, Takashi Miyazaki5, Francesco Narduzzi6, Takanori Kagoshima7, Katie Preece8, Hayato Ueda9, Paola Vanucchi10, Lottie Atton10, Asuka Yamaguchi10, Hiroko Kitajima10, Naoto Hirano10, IODP3 Exp502 Scientist10 (1. Hiroshima University, 2. National Institute of Advanced Industrial Science and Technology, 3. University of Southampton, 4. University of Lausanne, 5. Japan Agency for Marine-Earth Science and Technology, 6. University of Pavia, 7. University of Toyama, 8. Swansea University, 9. Niigata University, 10. Others)
[R7P-02]Relationship between the grain size of plagioclase constituting volcanic ash from Sakurajima Volcano and its structural state estimated by powder X-ray diffraction experiments
*Tomoaki MATSUI1 (1. Kagoshima Univ. Educ.)
[R7P-03]Preliminary investigation of geochemical characteristics of basement rocks in Southwest Japan for petrogenetic studies of arc magmas
*Takehiro HIRAYAMA1, Masako Yoshikawa1, Tomoyuki Shibata1, Kenta Kawaguchi1, Masaaki Owada2 (1. Hiroshima University, 2. Yamaguchi University)
[R7P-04]Garnet-bearing Setouchi volcanic rocks from Nakajima, Matsuyama City, Ehime Prefecture, Japan
*Yoshitomo Izuta1, Satoshi Saito1, Youhei Shirose1 (1. Ehime Univ. Sci. & Egn.)
[R7P-05]Relationship between compositional heterogeneity and microstructures in omphacite from metasomatic rocks in the Yorii area, Kanto Mountains, Japan
*Tsuyoshi Ando1, Tomoki Segawa1, Tomoki Taguchi2, Yohei Igami3 (1. Waseda Univ. CSE, 2. Waseda Univ. EDU, 3. Kyoto Univ. Sci.)
[R7P-06]Zircon growth processes in the Tanzawa tonalitic complex, central Japan: Magma chamber process in the middle crust
*Yasuhiro OGITA1,5, Misaki MATSUURA2, Shuhei SAKATA3, Takeshi OHNO4, Takumi IMURA5, Shinji TAKEUCHI6, Takashi YUGUCHI2 (1. JAEA, 2. Kumamoto Univ., 3. Earthquake Research Institute, Univ. Tokyo, 4. Gakushuin Univ., 5. Yamagata Univ., 6. Nihon Univ.)
[R7P-07]The formation process of Jadeitite in the Voikar Complex
*Kaito Abe1, Satoko Ishimaru1, Yui Maeda1, Makoto Miura2,3, Vladimir R Shmelev4, Shoji Arai3 (1. Kumamoto University, 2. GIA, 3. Kanazawa University, 4. Zavaritsky Institute of Geology)
[R7P-08]Raman spectroscopy of fluid inclusions in olivine from the Abukuma Mountains, NE Japan: Implications for the origin of ultramafic rocks and fluid evolution during serpentinization
*Arisa Suwa1, Toshiaki Tsunogae2, Kei Ikehata2 (1. Degree Program in Geosciences, University of Tsukuba, 2. Institute of Life and Environmental Sciences, University of Tsukuba)
[R7P-09]An Investigation of Dislocation Microstructures Developed around Fluid Inclusions in Olivine of Mantle Xenoliths
*Minoru Kamata1, Hiroaki Ohfuji2, Junji Yamamoto3 (1. Tohoku Univ. Sci., 2. Tokyo Univ. Sci., 3. Kyushu Univ. Sci.)
[R7P-10]Petrology of ultramafic rocks from three metamorphic belts in the Kumamoto area: Implications for formation processes and tectonic setting
*Satoko ISHIMARU1, Narumichi Nishio1, Minami Nakashima1, Akihiro Tamura2, Tadao Nishiyama1 (1. Kumamoto University, 2. Kanazawa University)
[R7P-11]Occurrence and textural analysis of greigite from the Higashi-Aogashima Knoll Caldera hydrothermal field
*Aoi Kajiwara1, Ren Ujiie1, Takahiro Kuribayashi1, Tatsuo Nozaki2,3, Toshiro Nagase4 (1. Tohoku Univ. Sci., 2. Waseda Univ., 3. Tokyo Univ., 4. Tohoku Univ. Museum.)
[R7P-12]Mineral Chemistry and the Evolution of the Ore-Forming Environment in Polymetallic Ore Deposits of Central Hyogo Prefecture, Japan
*Hayate Sakanaka1, Mariko Nagashima1 (1. Yamaguchi University)
[R7P-13]Formation Process of Platinum group minerals and the Source of Placer Platinum in the Haraigawa Area, Misato Town, Kumamoto Prefecture
*Haruka Omameuda1, Takuya Echigo1, Takahiro Tanaka2, Shogo Aoki1 (1. Akita Univ.Irs., 2. Nittetsu Mining Consultants Co., Ltd.)
[R7P-14]The Formation Mechanism of “Buseki", a Pseudomorph of Pyrite Replaced by Goethite
*Haruto Karaki1, Hiroaki Ohfuji2 (1. Tohoku Univ. Sci., 2. Tokyo Univ. Sci.)
[R7P-15]Mineral assemblages and mineralizing environment of the skarn-type tungsten deposit in the Kuga area, Iwakuni City, Japan.
*Shoma Suetomi1, Mariko Nagashima2 (1. Yamaguchi University, 2. Yamaguchi Univ. Sci.)