広島大学大学院理学研究科 地球惑星システム学専攻

Seminar Info. (2022 April ー 2023 March)

Special Seminar by guests

                                                                               2022
Speaker Tadao Nishiyama (Kumamoto University)
Title Ultra-high pressure pseudotachylite and nanodiamond
Date&Time April 27, 2022. 13:00-14:00
Location E203 + Online (Zoom)

Speaker Arshad Ali (Sultan Qaboos University)
Title Exploring Stable Isotope Signatures in Planetary Systems; Methodology and Mass Spectrometry Triple O-Si and Clumped Isotope Science
Date&Time May 31, 2022. 10:30-
Location B606 + Online (Zoom)

Speaker Toshihiko Shimamoto (Shimamoto Laboratory)
Title TBA
Date&Time July 4, 2022. 15:30-
Location E209 + Online (Teams)

Speaker Hiroko Kitajima (Texas A&M University)
Title Triaxial extension deformation tests on Berea sandstone - Effects of pore fluid pressure on extension and extension-shear mix-mode fractures
Date&Time July 4, 2022. 16:20-
Location E209 + Online (Teams)

Speaker Ritsu Kuwatani (JAMSTEC)
Title Data-driven approach to solid-earth science
Date&Time July 26, 2022. 16:20-
Location E203 + Online (Teams)

Speaker Eiichi Takasawa (Niigata University)
Title Flux melting of mantle peridotites in the Oman ophiolite
Date&Time August 30, 2022. 16:20-
Location E104

Speaker Kazunori Yoshizawa (Hokkaido University)
Title Seismic waveform analyses in global seismology: from mantle structure to volcanic eruptions
Date&Time September 7, 2022. 14:45-16:00
Location E104 + Online (Zoom)

Speaker Atsushi Kamei (Shimane University)
Title TBA
Date&Time October 14, 2022. 17:00-
Location B305 + Online (Teams)

Speaker A.D. Rosa (European Synchrotron Radiation Facility (ESRF))
Title Physico-chemical properties of noble gases at extreme conditions
Date&Time October 20, 2022. 16:30-18:00
Location E002 + Online (Zoom)

Seminar in Integrated Fields of Earth and Planetary Sciences
(Yugo Seminar):
Fri. 16:20 - 17:50 @ B603 (1st Term), B305 (2nd Term), Teams

April 22
Junya Okazaki Mechanism of seismic fault generation involving in pseudotachylyte formation in ductile regime: examples from Sarwar-Junia Fault Zone, India
Yuya Akamatsu Experimental and theoretical constraints on the effect of cracks on physical properties of oceanic crust
May 6
Kei Esaki Direct dating of folding events by 40Ar 39Ar analysis of synkinematic muscovite from flexural-slip planes
Ken-ichiro Yokota Analysis of seismic activities in the Nankai subduction zone
 May 13
Nagihira Nishii Morphology and size distributions of HCN polymers in a simulated environment of icy celestial bodies
Hajime Taniuchi TBA
May 20
Yuta Sumitani Investigation of the collisional history of asteroid 4 Vesta based on U-Pb chronology of HED meteorite
Toru Nakahashi Consideration of the evolutionary process of Ryugu based on the elucidation of shock metamorphism of CI carbonaceous chondrites
May 27
Kazuya Hayashi A study on seismic hazard analyses using observed seismic records
   
 June 10
Kazumasa Tanimoto Simultaneous measurements of resistivity, seismic velocity and porosity of mafic samples collected from the Oman ophiolite during hydrostatic compressional experiments
Dyuti Prakash SARKAR Lithology-dependent deformation mechanisms in the shallow-crustal faults of Himalayan Frontal Fold-thrust belt
 June 17
Yuto Kisaki Determination of source parameters of shallow very low-frequency earthquakes in the Hyuga-nada region
Jun-ichi Ando Fault formation mechanism in brittle-plastic transition regime
 June 24
Rei Torigoe Effects of temperature, iron and water on the post-spinel phase transition
Bidisha DEY Deciphering human migration patterns through isotope geochemistry
 July 1
Yusuke Egi Melting experiment of hydrous mantle under mantle transition zone condition
Yasushi Fukazawa X-ray and gamma-ray probing of high-energy phenomena and material in the universe
 July 8
Yujiro Sasaki Origins of spherulites observed in reefal microbial crusts in Kumejima, Okinawa
Keishi Okazaki Challenge to understand the rheology and the material cycle across the entire solid Earth
July 15
Kento Ohnishi In-situ nitrogen chemical speciation analysis of shergottite meteorites for elucidation of the surface environmental history on Mars
Tushar Mouli CHAKRABORTI Unlocking the petrogenetic histories of the Sub-Continental Lithospheric Mantle (SCLM) xenoliths of Kutch, NW Deccan Traps, India: Towards a working model
 July 22
Ai Kurokawa In-situ nitrogen chemical speciation analysis in Martian analog sample for elucidation of the Martian surface environment
Mizuho Koike  Importance and expected outcomes of the Phobos sample analysis by Martian Moons eXploration (MMX)
July 29
   
   
 October 7
Tadashi Yokoyama Capillary imbibition of water and trapping of air inside rocks
   
 October 14
Nagihira Nishii Morphology and size distributions of HCN polymers in a simulated environment of icy celestial bodies
Atsushi Kamei TBA
October 21
Yuta Sumitani Investigation of the collisional history of asteroid 4 Vesta based on U-Pb chronology of basaltic eucrite (NWA 13166) 
Ikuo Katayama Tipping point of water and carbon cycles in the Earth’s interior
 October 28
Ai Kurokawa In-situ nitrogen chemical speciation analysis of Martian analog: elucidation of the Martian surface environment
Eranga Jayawickrama Elastic properties of thermally treated diabase and peridotite: Implications towards the elastic properties of oceanic lithosphere
Nobember 4
CHATTERJEE M. Sadhana
(Jadavpur Univ., India)
Syn-tectonic granite emplacement in a transpression shear zone: Insights from Phulad Shear Zone, Rajasthan, India
Yuki Morono
(JAMSTEC Kochi)
Exploring the life on fringe: investigation of hyper-low energy, subseafloor biosphere
 November 11
Kazumasa Tanimoto Simultaneous measurements of resistivity, seismic velocity and porosity of mafic samples collected from the Oman ophiolite during hydrostatic compressional experiments
Tomoeki Nakakuki Some remarks on the water transport by mantle convection
 November 18
Yuto Kisaki Determination of source parameters of shallow very low-frequency earthquakes in the Hyuga-nada region
Makio Ohkawa Physicochemical properties and formation process of maghemite
 November 25
Rei Torigoe Effects of iron and water on the post-spinel phase transition
Masaaki Miyahara Evidence for shock metamorphism in chondrites
December 2
Yujiro Sasaki Origins of spherulites observed in reefal microbial crusts in Kumejima, Okinawa
Takaaki Kawazoe High-Pressure Synthesis of CaCo3Ti4O12 Quadruple Perovskite
 December 9
Yusuke Egi  
Hikaru Yabuta  
 December 16
Kento Ohnishi  
Fumito Shiraishi  
 December 23
Ken-ichiro Yokota  
Kaushik DAS  
January 6
Toru Nakahashi  
Naoki Suda  
 January 20
Kazuya Hayashi  
Masako Yoshikawa  
 January 27
MUNUSAMY A. SWARNAA  
Toru Inoue  
 January 27