Jan. 20th, No. 2013

Presenters:

  1. Prof. Inagaki Fumio
    Microbial community beneath seafloor sediments: their diversity, metabolism and living environment: T-limit of the Deep Biosphere off Muroto

Jan. 13th, No. 2012

Presenters:

  1. Kazuto Mikuni (Petrotechtonic Research Group)
    [Zhong et al.(2021) Post-spreading volcanism triggered by CO2 along the South China Sea fossil spreading axis]
  2. Taiga Wada (Early Solar System Evolution Research Group)
    [Terada et al. (2017) Non-destructive elemental analysis of a carbonaceous chondrite with direct current Muon beam at MuSIC]

Jan. th, No. 2011

Presenters:

  1. Rio Higuchi (Petrotechtonic Research Group)
    [Karmakar et al.(2020) Origin of corundum within anorthite megacrysts from anorthositic amphibolites, Granulite Terrane, Southern India]

Dec. 23rd, No. 2010

Presenters:

  1. Prof. Katsuhiko Suzuki (JAMSTEC)
    Global environmental change elucidated from Os isotope
  2. Erika Tomosada (Early Solar System Evolution Group)
    [Dartois, E., Engrand, C., Duprat, J., Godard, M, Charon, E., Delauche, L., Sandt, C., and Borondics, F. (2017) Dome C ultracarbonaceous Antarctic micrometeorites -Infrared and Raman fingerprints]
  3. Ryosuke Nara (Natural Resources and Environmental Geoscience Group)
    [Eva E. Stüeken, Roger Buick(2018) Environmental control on microbial diversification and methane production in the Mesoarchean]

Dec. 16th, No. 2009

Presenters:

  1. Prof. Masaaki Owada (Yamaguchi University)
    Cretaceous crust/mantle interactions, southwest Japan
  2. Yuki Takashina (Volcanology and Geofluid Research Group)
    [Mills R.D. and Glazner A.F. (2013) Experimental study on the effects of temperature cycling on coarsening of plagioclase and olivine in an alkali basalt]
  3. Masaya Takabayashi (Natural Resources and Environmental Geoscience Group)
    [Benjamin L. Hess , Sandra Piazolo , and Jason Harvey, (2021) Lightning strikes as a major facilitator of prebiotic phosphorus reduction on early Earth]

Dec. 9th, No. 2008

Presenters:

  1. Mizuha, Kikuiri (Early Solar System Evolution Research Group)
    [BELL(2016) CO2 release due to impact devolatilization of carbonate: Results of shock experiments]
  2. Yosuke Shimbo (Petrotectonics Research Group)
    [Harpp and Weis (2020) Insights into the origins and compositions of Mantle plumes: a comparison of Galapagos and Hawai'i]

Dec.2nd, No. 2007

Presenters:

  1. Sara Christensen (Natural Resources and Environmental Geoscience Group)
    [Steller et al.(2019) Boron Isotopes in the Puga Geothermal System, and Their Implications for the Habitat of Early Life]
  2. Yuki Sumie (Natural Resources and Environmental Geoscience Group)
    [Stolar et al., (2021) Mechanochemical Prebiotic Peptide Bond Formation]
  3. Tomoaki Koya (Natural Resources and Environmental Geoscience Group)
    [Aoyama and Ueno (2018)Multiple sulfur isotope constraints on microbial sulfate reduction below an Archean seafloor hydrothermal system]

Nov.25th, No. 2006

Presenters:

  1. Prof. Isoji Miyagi
    Preparing for Mega-eruption in Japan
  2. Hiroki Oka (Petrotechtonic Research Group)
    [Tumiati et al., (2015) Ultra-oxidized rocks in subduction mélanges? Decoupling between oxygen fugacity and oxygen availability in a Mn-rich metasomatic environment]
  3. Kurato Ohkuma (Mineralogy Group)
    [Daneu et al., (2014) Atomic structure and formation mechanism of (101) rutile twins from Diamantina (Brazil)]

Nov.18th, No. 2005

Presenters:

  1. Takuto Izumibe (Early Solar System Evolution Research Group)
    [Riebe et al., (2020) Effects of aqueous alteration on primordial noble gases and presolar SiC in the carbonaceous chondrite Tagish Lake]
  2. Kurato Ohkuma (Mineralogy Group)
    [Omosebi et al., (2017) Experimental study of the effects of CO2 concentration and pressure at elevated temperature on the mechanical integrity of oil and gas well cement]

Nov. 11th, No. 2004

Presenters:

  1. Yuta Hirakawa (Natural Resources and Environmental Geoscience)
    Validation of nucleoside formation through the formose type reaction under early earth conditions.
  2. Kana Amano (Early Solar System Evolution)
    Compositional diversity of hydrous asteroids inferred from spectroscopic analyses of carbonaceous chondrites
  3. Tomonori Oohashi (Quantum-beam Earth Science and Technology)
    Structure of hydrous sodium silicate melts at high pressures and high temperatures determined from in-situ diffraction experiments and ab-nitio simulations

Nov.4th, No. 2003

Presenters:

  1. Prof. Inagaki Fumio
    Microbial community beneath seafloor sediments: their diversity, metabolism and living environment
  2. Hideaki Kawamura (Global Crystal Science Group)
    Origin and formation field of deep mantle diamond explored by high pressure and high temperature experiments

Oct. 21st, No. 2002

Presenters:

  1. Arao Masanari (Volcanology and Geofluid research group)
    Timescales of magmatic activity in the Eifel volcano in western Germany: Constraints from MeerFelder Maar mantle xenoliths
  2. Ikeda Osamu (Quantum-beam Earth Science and Technology group)
    Pressure-induced transitions of ε-FeOOH examined by in-situ experiments

Oct. 7th, No. 2001

Presenters:

  1. 佐藤友香、高橋直生、武田菜実、筒井皓基、早舩紫野、渡邉桂介
    「薄片分析とXRF分析による吾妻火山のマグマ供給系の研究」
  2. 平石田世実, 石田大輝, 岩城朱音, 堀田修平, 堀倫彰
    「噴火様式と脱ガスの関係:カルデラ噴火堆積物と溶岩の比較」
  3. 福田佳乃、渡辺詩文、千葉慶修、湯澤研斗、坂入賢介、浦添春記
    「火山湖・潟沼における湖底からの熱流量測定」
  4.  
  5. 飯島颯大、熊谷昌也、小林和樹、高橋優奈、田中幸希、種谷渉
    「鬼首温泉郷、吹上地獄谷に見られる熱水と生命の関係」

July 1st, No. 2000

Presenters:

  1. M. Hikichi (Natural Resources and Environmental Geoscience Group)
    [Biondi et al.(2020) Biogenesis of the Neoproterozoic kremydilite manganese ores from Urucum (Brazil) – A new manganese ore type]
  2. R. Hirata (Volcanology and Geofluid research group)
    [Yoshimura and Nakagawa (2021) Chlorine Heterogeneity in Volcanic Glass as a Faithful Record of Silicic Magma Degassing]
  3. Y. Yamada (Early Solar System Evolution Research Group)
    [Vollmer et al., (2020) Amorphous silicate as a record of solar nebular and parent body processesーA transmission electron microscope study of fine-grained rims and matrix in three Antarctic CR chondrites]

June 24th, No. 1999

Presenters:

  1. M. Nakamura (Petrotectonics Research Group)
    [Hammouda et al.(2020) Is There a Global Carbonate Layer in the Oceanic Mantle?]
  2. I. Kida (Early Solar System Evolution Research Group)
    [V. E. Hamilton (2019) Evidence for widespread hydrated minerals on asteroid (101955) Bennu]

June 17th, No. 1998

Presenters:

  1. N. Sano (Research Group of Mineralogy and Crystalography)
    [Peter J. Heaney (1993) A proposed mechanism for the growth of chalcedony]
  2. T. Morita (Early Solar System Evolution Research Group)
    [Guy Libouel and Marc Portail (2018) Chondrules as direct thermochemical sensors of solar protoplanetary disk gas]

June 10th, No. 1997

Presenters:

  1. K. Shizeki (Petrotschtonic Research Group)
    [Wang et al. (2019) The Exhumation of Subducted Oceanic‐Derived Eclogites: Insights From Phase Equilibrium and Thermomechanical Modeling]
  2. M. Tokunaga (Natural Resources and Environmental Geoscience Group)
    [Schmitt-Kopplin et al. (2010) High molecular diversity of extraterrestrial organic matter in Murchison meteorite revealed 40 years after its fall]

May 27th, No. 1996

Presenters:

  1. Assistant Professor Takayuki Takahashi (Inland Earthquake and Volcano Lab., International Research Institute of Disaster Science, Tohoku university)
  2. Y. Jindo(Petrotechtonics Research Group)
    [Tejada et al. (2016) Geochemistry and age of Shatsky, Hess, and Ojin Rise seamounts: Implications for a connection between the Shatsky and Hess Rises]
  3. T. Takada(Global Crystal Science Group)
    [Dong et al. (2011) Sintering and characterization of flash-based mullite with MgO addition]

May 20th, No. 1995

Presenters:

  1. Professor Hiroaki Ohfuji (Global Crystal Science Group)
  2. Professor Kazuaki Hori (Geoenvironmental Research Group)

May 13th, No. 1994

Presenters:

  1. C. Kobashi (Petrotectonics Research Group)
    [Wu et al. (2021) Boron, arsenic and antimony recycling in subduction zones: New insights from interactions between forearc serpentinites and CO₂-rich fluids at the slab-mantle interface]
  2. R. Kondo (Natural resources and Environmental geochemistry)
    [Shtyrlin et al. (2019) Prebiotic Syntheses Under Shock in the Water – Formamide – Potassium Bicarbonate – Sodium Hydroxide System]

May 6th, No. 1993

Presenters:

  1. QUILALANG-GEMAL MARIE THESS DOMINGO (Volcanology and Geofluid Research Group)
    「Understanding the magmatic processes involved in the formation of Parker Volcano, South-Central Mindanao, Philippines (A brief background on my research)」
  2. S. Kaneko (Petrotectonics Research Group)
    [Kimura et al. (2020) Thermal state of the upper mantle and the origin of the Cambrian-Ordovician ophiolite pulse: Constraints from ultramafic dikes of the Hayachine-Miyamori ophiolite]
  3. M. Kobayashi (Volcanology and Geofluid Research Group)
    [Popa et al. (2019) A connection between magma chamber processes and eruptive styles revealed at Nisyros-Yali volcano (Greece)]

Apr. 29th, No. 1992

Presenters:

  1. RIO (Petrotectonics Research Group)
    [Angiboust et al. (2020) Drainage of subduction interface fluids into the forearc mantle evidenced by a pristine jadeitite network (Polar Urals)]
  2. A. Ishihara (Global Crystal Science Group)
    [Wang et al. (2020) Genesis of diagenetic zeolites and their impact on reservoir formation in the Middle Permian Lower-Wuerhe Formation of the Mahu Sag, Junggar Basin, Northwest China]
  3. T. Okamoto (Volcanology and Geofluid Research Group)
    [Kilbride et al. (2016) Observing eruptions of gas-rich compressible magmas from space]

Apr. 22th, No. 1991

Presenters:

  1. R. Higuchi (Petrotectonics Research Group) Research introduction
  2. Y. Kimura (Petrotectonics Research Group) Research introduction

Apr. 15th, No. ####

Presenters:

  1. Guidance about this seminar