Session Details
T16[Topic] Regional geology and stratigraphy: comprehensive understanding
Sun. Sep 13, 2026 1:30 PM - 3:00 PM JST
Sun. Sep 13, 2026 4:30 AM - 6:00 AM UTC
Sun. Sep 13, 2026 4:30 AM - 6:00 AM UTC
T16_poster(Academic Promenade)
[T16-P-1]Accretion process and thermal history on the Usubetsu Complex as Late Jurassic-Early Cretaceous accretionary complex in the Oshima belt, southwestern Hokkaido, Japan: Study on estimation of peak metamorphic temperature, combining the fission-track ages and those analysis and modeling.
*Shinji TANAKA1, Takayuki KATOH1, Tohru DANHARA2, Hideki IWANO2,3, Takafumi HIRATA3, Riku TADA4 (1. Earth Science Co., Ltd., 2. Kyoto Fission-Track Co., Ltd, 3. Geochemical Research Center, The University of Tokyo, 4. Obayashi Co., Ltd.)
[T16-P-2]Geology of the Sakari District: Condensation of a century of studies on the Paleozoic to Lower Cretaceous Systems and syntheses of geological systems
*Toshio KAWAMURA1, Takayuki UCHINO2, Nobutaka TSUCHIYA3, Kohki YOSHIDA4, Rei NAKASHIMA2, Dan MATSUMOTO2 (1. Miyagi Univ. of Edu., 2. Geological Survey of Japan, AIST, 3. Iwate Univ., 4. Shinshu Univ.)
[T16-P-3]Lithostratigraphy, geochronology, and geological structure of the Upper Paleozoic strata in the eastern Rikuchu-Ohara area of the South Kitakami Belt
*Keisuke Suzuki1 (1. Research Institute of Geology and Geoinformation, Geological Survey of Japan, AIST)
[T16-P-4]Myodocopid ostracods discovered from the Omi Limestone: Palaeoecological and palaeogeographical significances
*Gengo TANAKA1, Takahisa MAKIGUCHI2, Makio SATO2 (1. Kumamoto University, 2. Tokai Fossil Society)
[T16-P-5]Discovery of a mega-fossil assemblage containing Lepidodendron in the Lower Carboniferous Kakisako Formation at Kayaba, Yatsushiro City, Kumamoto Prefecture
*Yuuki SEKITANI1 (1. Kumamoto Univ.)
[T16-P-6]Extraction and accuracy assessment of bedding planes in the Kitagawa Group of the Shimanto Accretionary Complex using drone LiDAR
*Taisei Takagi1, Hiroshi Mori1, Yusuke Shimura2, Ryuta Shukuwa3, Nanami Kuniya1, Kaho Nobuhara1, Yuto Yasui1, Akiko Nakazawa1, Daichi Murakami4, Takuma Deguchi1, Tetsuya Tokiwa1 (1. Shinshu University, 2. Nagoya University, 3. Goto Metal Mine Co., Ltd., 4. Nippon Koei Co., Ltd.)
[T16-P-7]Integrated Stratigraphy of the Hiraiso Formation, Upper Cretaceous Nakaminato Group in the Hitachinaka City, Ibaraki Prefecture, Japan, and the Current Status of Upper Cretaceous Magnetostratigraphy in the Northwestern Pacific
*Aoto SATO1, Makoto OKADA1 (1. Ibaraki University)
[T16-P-8]Geological age and structure of the Kumage Group distributed in the northern and central parts of Tanegashima Island, Kagoshima, SW Japan
*Akihide KIKUKAWA1,3, Yoshiaki AITA2 (1. Natural History Museum and Institute, Chiba, 2. Utsunomiya University, 3. Nagoya University)
[T16-P-9]Petrology of “Maguro-ishi” from Amakusa, Japan as a Natural Ceramics Formed by Sintering of Mudstone
*Yasutaka HAYASAKA1, Junichi ANDO2, Kaushik DAS2, Takehiro HIROSE3, Kenta KAWAGUCHI2 (1. Amakusa Museum of Goshoura Dinosaur Island, 2. Graduate School of Advanced Science and Engineering, Hiroshima University, 3. Kochi Institute for Core Sample Research, JAMSTEC)
[T16-P-10]Multi-view analysis of a small intrusive body and surrounding contact metamorphic aureole using petrology, rock physical properties, drone LiDAR, and muon observation: A case study of Hanga-Iwabana, Ueda City, Nagano Prefecture, central Japan
*Hiroshi MORI1, Hiromi KISHI1,2, Nanami KUNIYA1, Taisei TAKAGI1, Ryuta SHUKUWA3, Kentaro KAWADE1, Hiroshi SHIRAIWA1, Kyohei ONO1, Yuto YASUI1, Daichi MURAKAMI1,4, Kaho NOBUHARA1, Tetsuya TOKIWA1, Ken YAMAOKA5, Ryusuke FUTAMURA1 (1. Shinshu University, 2. Toyama Prefectural Government, 3. Goto Mining Co., Ltd., 4. Nippon Koei Co., Ltd., 5. GSJ, AIST)
[T16-P-11]The Detailed distribution of Okawamura dikes.
*Hiroaki TANAKA1, Satoru MARUBASHI2, Hirohisa KINOSHIATA3, Takatomo SAKAMOTO4 (1. Toyogiken Corpoiation, 2. Kochi Prefecture , 3. Fukken Co., Ltd, 4. Sakamoto-kensetsu Co., Ltd)
[T16-P-12]The Chibanian Midori Volcano in northern Hyogo Prefecture, San'in Kaigan UNESCO Global Geopark
*Toshiki Haji1, Daisuke Sato1 (1. Geological Survey ofJapan, AIST)
[T16-P-13]Structural Analysis of an Inferred Active Fault on and around
Mt. Wakurayama, Eastern Matsue City, Shimane Prefecture, southwest Japan
*Kenshiro IZUMI1, Hideki MUKOYOSHI2 (1. Earth Science Program, Department of Environmental Systems Science, Graduate School of Natural Science and Technology, Shimane University, 2. Shimane University)
[T16-P-14]Stratigraphy and ages of the early to middle Miocene strata in the Sasamori Hills of the Dewa Mountains, Akita, Japan
*Jun HOSOI1, Keisuke NAKAMURA2 (1. Department of Earth Sciences, Ibaraki University, 2. ENEOS Xplore Inc.)
[T16-P-15]U-Pb ages of conglomerate layers on Kuroshima Island, off the coast of Koza in the southern Kii Peninsula
Seisuke USHIRO1, *Toshiya YAMAMOTO2, Takanori BESSHO3, Tetsuya OGURA4, Yutaka WADA5 (1. Wakayama University, 2. Wakayama Prefectural Tanabe High School, 3. Osaka Museum of Natural History, 4. Osaka City Board of Education, 5. Nara University of Education)
[T16-P-16]Stratigraphic study of the Oigawa Group in Shimada and Fujieda area, Shizuoka Pref., Japan
*Hina Saito1, Tetsu Funaki1, Tatsuki Hojo2, Takumi Mimura1, Shun Chiyonobu1 (1. Graduate school of international resource sciences faculty of international resource sciences, 2. ENEOS Xplore Inc.)
[T16-P-17]Sedimentary environment of the Nakamura Formation, Kani Group, in the Mitake Area, Gifu Prefecture, central Japan
*Hina TSUJI1, Kohki YOSHIDA1 (1. Shinshu Univ.)
[T16-P-18]Depositional processes of the sandstones of the Miocene Kawai Formation in the Tamayu Area, Shimane Prefecture, SW Japan
*Ryuki UEOKA1, Tetsuya SAKAI2 (1. Shimane University Graduate School of Science and Technology, 2. Shimane University)
[T16-P-19]Foraminifera fossils from the Tatamigaura Member of the Togane Formation distributed in the Kokubo area, Hamada City, Shimane Prefecture.
*Masayuki NAGAOKA1, Hiroki HAYASHI1 (1. Shimane Univ.)
[T16-P-20]Way-up determination of the Aso-4 tephra layer intercalated in the Pleistocene Karato Formation on Himeshima Island, Oita Prefecture, Japan
*Tomonori Naya1, Eri Hirabayashi1 (1. AIST/GSJ)
[T16-P-21]Stratigraphy of the Quaternary distributed in Matogata Town,Himeji City,Hyogo Prefecture,SW Japan:a review and future directions
*MOTOKI/MOURI Motoki MOURI1, RYO/NAKASHIMA RyoNAKASHIMA2 (1. the Inspection for the Geologcal Commitee in Okayama(IGCO) secretariat, 2. SEIHA)
[T16-P-22]Origin and Transport of Beach Sand at Shirahama Beach in Shimoda, Izu Peninsula
*Jun KATO1, Izumi Sakamoto2 (1. Graduate School of Science and Technology, 2. School of Marine Science and Technology, Tokai University)
[T16-P-23]Stratigraphy of Methane Hydrate Reservoir Cores the offshore Shima Peninsula: A Chronological Framework Based on Tephrostratigraphy and Microfossil Biostratigraphy
*Toshinori Imai1, Aung ThanTin1, Reishi Takashima2, Hiroshi Nishi3, Tokiyuki Sato4, Itoko Tamura5 (1. Japan Organization for Metals and Energy Security, 2. The Center for Academic Resources and Archives Tohoku University Museum, 3. Fukui Prefectural University, 4. Akita University, 5. Hachioji Visitors & Convention Association)
[T16-P-24]Reef formation and dolomitization on Kitadaito Jima: Insight from a marginal drill core
*Goitse MOSEKIEMANG1, Momo YOSHIBE1, Hideko TAKAYANAGI1,2, Shigeyuki WAKAKI3, Kazuyuki YAMAMOTO4, Yasufumi IRYU1,2 (1. Department of Earth Science, Graduate School of Science, Tohoku University, Sendai, Japan, 2. Advanced Institute for Marine Ecosystem Change (WPI-AIMEC), Tohoku University, Sendai, Japan, Sakura, Japan, 3. National Museum of Japanese History, 4. Technical Headquarters, INPEX Corporation, Tokyo, Japan)
[T16-P-25]Formation Mechanisms of Mountain Lakes: Insights from Comparisons with Modern Natural-Dammed Lakes: Examples from the Miocene and Pleistocene of the Thakkhola Mustang Graben, Central Nepal
*Mizuki SHOJI1, Kohki YOSHIDA1, BabRam GYAWALI2, Bishow SILWAL3, Masaaki SHIMADA1 (1. Shinshu Univ., 2. Pokhara Univ., 3. Department of Mines and Geology of Nepal)
[T16-P-26]Climate Change along the Southern Margin of the Tibetan Plateau during the Miocene–Pliocene: A Comparison of Paleosols in the Mustang Region, Central Nepal, and the Ladakh Region, Northwestern India
*Kohki Yoshida1, Masaaki Shimada2, Mizuki Shoji2, Silwal Raj Bishow3, Babu Ram Gyawali4, Subhadeep Kumar5 (1. Department of Geology, Faculty of Science, Shinshu University, Japan, 2. Graduate School of Science and Technology, Shinshu University, Japan, 3. Department of Mines and Geology, Nepal, 4. Pokhara University, Rupandehi, Nepal , 5. DMT Consulting Private LTD, DMT Group, India)
[T16-P-27]Facies Analysis of Coarse-Grained Landslide Deposits in the Larjung Area, Upper Kali Gandaki Valley, Central Nepal
*Noa Matsuda1, Kohki YOSHIDA1 (1. Shinshu University)