2026 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)
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Oral presentationR7: Petrology, Mineralogy and Economic geology (Joint Session with Society of Resource Geology)

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

Sat. Sep 26, 2026 9:30 AM - 11:45 AM JST
Sat. Sep 26, 2026 12:30 AM - 2:45 AM UTC
Room C (287)
Chairperson:Norikatsu Akizawa, Takuya Echigo
9:30 AM - 10:00 AM JST(12:30 AM - 1:00 AM UTC)Invited Lecture

[R7-01]Search for Organic Matter-Bearing Inclusions in Mantle Xenoliths Using Synchrotron X-ray Computed Tomography and Micro-Raman Spectroscopy

*Itaru Mitsukawa1, Akira Miyake2, Yohei Igami2, Tetsu Kogiso2, Norikatsu Akizawa3, Masato Hoshino4, Kentaro Uesugi4, Hiroshi Sakuma5, Masaharu Aketa2, Masaki Nishio2 (1. The University of Tokyo, 2. Kyoto University, 3. Hiroshima University, 4. JASRI, 5. NIMS)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)Student Presentation Award Entry

[R7-02]Dunite-wehrlite xenoliths from Oshima-Ōshima Volcano, Hokkaido, as a record of sub-arc uppermost mantle processes

*Sota Taguchi1, Terumi Ejima2, Kou Takahashi2, Yoshiaki Kon3, Shoji Arai4 (1. Shinshu Univ. Sci., 2. Shinshu Univ. Sci. , 3. AIST, 4. Kanazawa Univ.)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)Student Presentation Award Entry

[R7-03]Observation of deformation structures and symplectic inclusions in olivine from gabbroic rocks of oceanic core complexes

*Masayoshi Ogura1, Yohei Igami1, Akira Miyake1, Toshio Nozaka2 (1. Kyoto Univ. , 2. Okayama Univ.)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[R7-04]Matrix effects of total iron and the role of geochemical reference materials in XRF analysis of peridotites

*Kazuto Mikuni1,2, Akira Ishikawa2 (1. Geological Survey of Japan, AIST, 2. Science Tokyo)
10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)Student Presentation Award Entry

[R7-05]Ni-rich olivine and trevorite from the Happo-O'ne metaperidotite, central Japan: their new mode of occurrence and implications

*Seinosuke Yamada1, Terumi Ejima1, Shoji Arai2 (1. Shinshu Univ. Sci., 2. Kanazawa Univ.)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)Student Presentation Award Entry

[R7-06]Characterization of serpentinite from Mt. Shirouma: The highest-elevation mantle rock in Japan

*Karin Saito1, Seinosuke Yamada1, Terumi Ejima2, Shoji Arai3 (1. Shinshu Univ. Sci., 2. Shinshu Univ. Sci. , 3. Kanazawa Univ.)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)Student Presentation Award Entry

[R7-07]Identification of solid inclusions in tin, columbite-tantalite, REE granite-pegmatite of the Kivu Belt through Petrography, Raman Spectroscopy, and Microthermometry.

*MUSA Kam's SAIDI1, MADHUSOODHAN Satish Kumar2 (1. Graduate School of Science and Technology, Niigata Univ., 2. Faculty of Science and Technology, Niigata Univ.)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[R7-08]Whole-rock composition and copper behavior during magmatic evolution of the Tanzawa tonalitic mass, Japan

*Takashi Amagai1, Tatsuo Kanamaru2, Shinji Yamamoto3, Yoshiaki Kon1 (1. National Institute of Advanced Industrial Science and Technology, 2. Nihon University, 3. Yokohama National University)
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