Lab seminar 2021
Seminar Fall 2021
| 10/14 | Akira ISHIKAWA (Ishikawa-lab) | TBA |
| 10/21 | Tetsuya YOKOYAMA | Determination of elemental abundances in meteorites with ICP-QMS |
| 10/28 | Makiko K. HABA | Cosmogenic noble gas nuclides in meteoritic zircons |
| 11/4 | Yuki MASUDA | Nucleosynthetic titanium isotope anomalies in fine-grained CAIs from Allende |
| 11/18 | Takahiro OZAWA (Ishikawa lab) | Hydrogen isotope of the mantle source in Pitcairn Island |
| 11/25 | Ryo FUJITA (Ishikawa-lab) | Noble gas systematics of peridotite xenoliths from Hawaiian Islands |
| 12/2 | Tatsuya TAMURA | Molybdenum isotopic composition in volcanic rocks from the Izu-Islands |
| 12/9 | Shun NAKANO (Ishikawa-lab) | Improvement of Carius Tube digestion for analyses of HSEs and other siderophile elements of terrestrial rocks and chondrites |
| 12/16 | Koharu FUJIMURA | Toward the evaluation of heterogeneity of the extinct nuclide Nb92 in the early solar system using the IIE iron meteorite |
| 12/16 | Yuki YODA | Simultaneous multi-element analysis of chondrites by ICP-MS |
| 12/23 | Koki SUMIYA | Improvement of Cr separation technique by ion-exchange chromatography |
| 1/5 | Yuka NIWA (Ishikawa-lab) | Thermal structure of oceanic lithospheres inferred from mantle xenoliths from Petit Spot volcanoes< |
| 1/5 | Yuta IHARA (Ishikawa-lab) | Estimation of magma source by analysis of major elements, Os isotopes and Os concentrations in the ultramafic mafic rocks of Gorgona Island |
| 1/20 | Takumi SATO (Ishikawa Lab) | Understanding serpentinization and weathering processes via variations in total rock compositions |
| 1/20 | Yusuke OHKUMA | Development of alkali fusion digenstion for low-blank Cr isotope analysis of chondrites |
| 1/28 | Keiji NISHIKAWA | Chromium isotope anomaly in Martian meteorite |
| 2/24 | Ikshu GAUTAM | Separating trace and major elements of precious Ryugu samples: 5-stage multielement separation procedure |
Seminar Spring 2021
| date | name | subject |
|---|---|---|
| 4/19 | Tetsuya YOKOYAMA | Development of precise Cr isotope analysis with TIMS for the initial analysis of asteroid samples returned by the Hayabusa2 mission |
| 4/28 | Makiko K. HABA | The initial 92Nb abundance of the Solar System and applications of 92Nb?92Zr dating to meteorites |
| 5/12 | Yusuke OHKUMA | Cr isotope analysis for chondrites |
| 5/19 | Tatsuya TAMURA | Analysis of Molybdenum isotope ratios in Izu arc basalts (Izu-Oshima,Niijima) by TIMS |
| 5/26 | Takahiro OZAWA (Ishikawa lab) | Hydrogen isotope of the mantle source in Pitcairn Island |
| 5/31 | Takumi SATO (Ishikawa Lab) | Characterizations of mineralogy and infrared spectra of serpentinized samples in Oman ophiolite along with redox gradients in subsurface: Toward identification of redox gradients in Martian subsurface |
| 6/7 | Keiji NISHIKAWA | Martian meteorite nucleosynthetic isotope anomaly |
| 6/14 | Yuki MASUDA | Element imaging of fine-grained inclusions in Allende meteorite using Laser Ablation ICP-MS |
| 6/21 | Ikshu GAUTAM | Mo isotopic investigation of the mafic rocks of Acasta Complex: our efforts so far |
| 6/28 | Koki SUMIYA | Paper reading: The Yamato-type(CY) carbonaceous chondrite group: Analogues for the surface of asteroid Ryugu? King et al. (2019) | 6/28 | Koharu FUJIMURA | Paper reading: Age and origin of IIE iron meteorites inferred from Hf-W chronology. Kruijer and Kleine (2019) | 7/5 | Yuki YODA | Paper reading: The chemical composition of carbonaceous chondrites: Implications for volatile element depletion, complementarity and alteration? Braukmueller et al. (2018) |
| 7/5 | Yuka NIWA (Ishikawa-lab) | Dating of mantle peridotite using Re-Os systematics | 7/12 | Yuta IHARA (Ishikawa-lab) | TBA |
| 7/12 | Shun NAKANO (Ishikawa-lab) | Highly siderophile elements behavior in the Paleoarchean Camel Creek komatiites from East Pilbara Terrane, Western Australia |
| 7/19 | Ryo FUJITA (Ishikawa-lab) | Noble gas isotopes of peridotite xenoliths from Hawaiian Islands |