Junichiro Ohta

→ Search for Junichiro Ohta in Google Scholar

Speaker, Author, Co-Author

Sun. May 25, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| S (Solid Earth Sciences )
| S-EM Earth's Electromagnetism

[S-EM16] Geomagnetism, paleomagnetism, and rock magnetism

5:15 PM - 7:15 PM

[SEM16-P02] Magnetic properties of meteorite impact layers and individual impact spherules in deep-sea clay

*Haruki Honda¹, Yoichi Usui¹, Junichiro Ohta², Honami Sato³ (1.Kanazawa University, 2.The University of Tokyo, 3.Kyushu University)

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG53] Petrology, Mineralogy & Resource Geology

5:15 PM - 7:15 PM

[SCG53-P10] Re-Os radiometric dating of the Ikuno Ore deposit, Hyogo Prefecture: Implications for the origin of polymetallic mineralization

*Mitsuki Ogasawara¹, Sho Yoshida¹, Junichiro Ohta¹, Kenichiro Tani², Kazutaka Yasukawa¹, Kentaro Nakamura^1,3, Koichiro Fujinaga^3,1, Yasuhiro Kato^1,3 (1.Department of systems innovation, School of engineering, The University of Tokyo, 2.Department of Geology and Paleontology, National Museum of Nature and Science, 3.Ocean Resources Research Center for Next Generation at the Chiba Institute of Technology)

Tue. May 27, 2025 1:45 PM - 3:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

2:45 PM - 3:00 PM

[SCG55-05] Tracing Miocene impact events: Age estimation using the Re-Os isotope for pelagic clay in the Minamitorishima EEZ

*Mindaleva Diana¹, Tatsuo Nozaki^1,2, Kazuhide Mimura³, Moei Yano⁴, Junichiro Ohta², Koichi Iijima⁵, Kazutaka Yasukawa², Kentaro Nakamura^2,4, Yasuhiro Kato^2,4 (1.Waseda Univ., 2.Univ. of Tokyo, 3.AIST, 4.Chiba Inst. of Tech., 5.JAMSTEC)

Tue. May 27, 2025 10:45 AM - 12:15 PM 201A (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG57] Hybrid Geochronology from Date to Age

10:45 AM - 11:00 AM

[SCG57-01] U–Pb Dating of Biogenic Apatite in Pelagic Clay: A New Approach for Deep-Sea Sediment Chronology

*Daiki Terauchi¹, Kengo Ito², Junichiro Ohta¹, Kazuhide Mimura³, Kentaro Nakamura^1,4, Kazutaka Yasukawa¹, Takafumi Hirata², Yasuhiro Kato^1,4 (1.School of Engineering, Univ. Tokyo, 2.Geochemical Research Center, Univ. Tokyo, 3.National Institute of Advanced Industrial Science and Technology, 4.ORCeNG, Chiba Institute of Technology)