[3oral701-11] T15［Topic Session］Regional geology and stratigraphy: review and prospect

Tue. Sep 19, 2023 9:00 AM - 12:00 PM oral-07 (38-North Wing, Yoshida-South Campus Academic Center Bldg.)

Chiar:Hajime Naruse, Akihide Kikukawa, Yasufumi Satoguchi

+Add all to schedule

9:00 AM - 9:15 AM

[T15-O-7] Field Occurrence of Cretaceous peperites distributed in Sugou River bed,Azono,Yumesaki town of Himeji City,Hyogo Prefecture, SW Japan

*Motoki MOURI¹, Noritaka MATSUBARA², Masanobu HARADA (1. None, 2. Graduate School of Hyogo)

9:15 AM - 9:30 AM

[T15-O-8] Mud diapirs and deformation structures in the Lower Miocene Tanabe Group, Fukurozaki, Wakayama Prefecture

*Taiyo Nakagawa¹, Kiichiro Kawamura² (1. Chi-ken Sogo Consultants Co., Ltd. , 2. Yamaguchi Univ.)

9:30 AM - 9:45 AM

[T15-O-9] Morphological features of dolines around the Mt. Wakatakeyama, Akiyoshidai Plateau, western Japan: an examination using digital terrain model data

*Takafumi SONEHARA¹ (1. Hiruzen Institute for Geology and Chronology Co., Ltd.)

9:45 AM - 10:00 AM

[T15-O-10] Revised age of the OAE1a based on the radiometric ages of tuffs and integrated stratigraphy of the Yezo Group, Japan: Report on the results of the joint Japan-U.S.-U.K. project on the Cretaceous time scale.

*REISHI TAKASHIMA¹, Bradley S. Singer², David Selby³, Mark D. Schmitz⁴, Bradley B. Sageman⁵, Youjuan Li², Luca Podrecca⁵, Katarina Savatic⁵, Keiichi Hayashi⁶, Toshiro Yamanaka⁷ (1. Tohoku University, 2. Wisconsin University, 3. Durham Univeristy, 4. Boise State University, 5. Northwestern University, 6. Hokkaido Research Organization, 7. Tokyo University of Marine Science and Technology)

10:00 AM - 10:15 AM

[T15-O-11] Zircon U–Pb and fission-track ages of the Miocene Onnagawa Formation in the Yashima Area, Akita Prefecture, and implications for the timing of paleoceanographic changes in the Sea of Japan

*Takeshi Nakajima¹, Hideki Iwano^2,3, Tohru Danhara², Takafumi Hirata³, Kenta Asahina¹, Koji U. Takahashi¹, Yasuaki Hanamura⁴ (1. National Institute of Advanced Science and Technology (AIST)/Geological Survey of Japan, 2. Kyoto Fission Track Co. LTD., 3. University of Tokyo, 4. JX Nippon Oil & Gas Exploration Corporation)

10:15 AM - 10:30 AM

[3oral701-11-6add] Break

10:30 AM - 10:45 AM

[T15-O-12] Diatom assemblages of the Oyamada to Iimuro Formation of the Lower Pleistocene Kazusa Group in the Tama Hills, central Japan: focusing on the occurrence of Lancineis rectilatus

*Tomonori Naya¹, Takehiko Suzuki² (1. AIST, GSJ, 2. Department of Geography, Tokyo Metropolitan University)

10:45 AM - 11:00 AM

[T15-O-13] Tephra correlations at Upper Pliocene to Lower Pleistocene sediment in Kakegawa group, Shizuoka Prefecture and Osaka group, Awajishima, Hyogo Prefecture.

*Koretaka NAKATANI¹, Kiyohide MIZUNO¹ (1. National Institute of Advanced Industrial Science and Technology, Geological survey of Japan)

11:00 AM - 11:15 AM

[T15-O-14] (entry) Stratigraphic study on the Upper Pliocene Mera Formation, Chikura Group distributed in the southernmost part of the Boso Peninsula

*【ECS】Akihiro TANIMOTO¹, Makoto OKADA¹, Shohei SHIBATA¹ (1. Ibaraki Univ.)

11:15 AM - 11:30 AM

[T15-O-15] A preliminary study to construct a paleomagnetic-oxygen isotopic composite stratigraphy with ultra-high temporal resolution using an oriented boring core drilled through the Quaternary base horizon of a Plio-Pleistocene marine succession in the southernmost part of the Boso Peninsula, Japan

*Makoto Okada¹, Ryoka Yuhara¹, Daiki Nagatomo¹, Yusuke Suganuma² (1. Ibaraki University, 2. National Institute of Polar Research)

11:30 AM - 11:45 AM

[T15-O-16] Viscous remanent magnetization dating for the Alluvial basement gravel bed beneath the Tokyo Lowland, Japan

*Yuki Haneda¹, Susumu Tanabe¹, Hirokuni Oda¹ (1. Geological Survey of Japan, AIST)

11:45 AM - 12:00 PM

[T15-O-17] Toward new industrial use of geological maps−Expansion into the agricultural field (terroir) and financial field−

*Makoto Saito¹ (1. Geological Survey of Japan, AIST)

Session information