セミナー
2023年度 後期セミナー
| date | name | subject |
|---|---|---|
| 10/19 | Akira ISHIKAWA (Ishikawa Lab) | Highly siderophile and volatile chalcophile element abundances with Os isotopic compositions of Ryugu samples |
| 10/20 | Makiko K. HABA | U-Th-Pb systematics of Ryugu samples and carbonaceous chondrites |
| 10/26 | Tetsuya YOKOYAMA | The chemical composition of Ryugu: Prospects as a Reference Material for Solar System Composition |
| 10/27 | Yuki MASUDA | Nucleosynthetic calcium isotope anomalies in refractory inclusions from carbonaceous chondrites |
| 11/2 | Ryo FUJITA (Ishikawa Lab) | Lithological variation in Hawaiian mantle xenoliths: melt extraction or addition? |
| 11/24 | Koharu FUJIMURA | Reevaluation of the 92Nb abundance heterogeneity in the early Solar System using ungrouped achondrites |
| 11/30 | Yuta IHARA (Ishikawa-lab) | Origin of Cretaceous and Archean komatiitic magma series and Implication for source mantle heterogeneity recorded by Highly Siderophile Elements |
| 12/1 | Yuka NIWA (Ishikawa-lab) | Thermal structure of oceanic lithosphere inferred from mantle xenoliths from the petit-spot volcano |
| 12/7 | Karina LOPEZ-GARCIA | Origin of the elemental and isotopic variabilities in Ivuna-type carbonaceous chondrites |
| 12/8 | Yao XIAO | Using 54Cr isotopes to trace the original zone of impactors collided with Vesta |
| 12/11 | Nao NAKANISHI (Waseda U.) | Additional analysis of Ryugu samples for Os isotopes and HSE concentrations (Ryugu AO) |
| 12/14 | Yuma TANAKA (Ishikawa-lab) | ルイス片麻岩コンプレックス内の超苦鉄質岩の分析 |
| 12/15 | Ikshu GAUTAM | Mo isotopic investigation of the mafic rocks from Acasta Complex |
| 1/5 | Yoshiaki SHIRAISHI | Chromium and titanium isotopic anomalies in Al-rich chondrules |
| 1/11 | Shumpei MASAKI | Evaluation of the initial 146Sm abundance in the outer Solar System by measuring carbonaceous achondrites |
| 1/12 | Tatsuya TAMURA | Continuous dehydration at subduction zones in NEJ-Izu regions: Implications from Mo-Sr-Nd-Pb isotope systematics |
| 1/18 | Ryu SATO (Ishikawa-lab) | 2022 WA Field work report |
| 1/19 | Hidetoshi MORI (Ishikawa Lab) | Origin of highly depleted peridotites from Kamuikotan metamorphic belt in Hokkaido, Japan: constraints from major elements and HSEs geochemistry |
| 2/1 | Kazuto MIKUNI (AIST) | Development of geochemical reference material |
| 2/2 | Takahiro HAZAMA (Ishikawa Lab) | Cancelled |
2023年度 前期セミナー
| date | name | subject |
|---|---|---|
| 4/11 | Tetsuya YOKOYAMA | Lab safety |
| 4/18 | Yuki MASUDA | Nucleosynthetic chromium isotope anomalies in fine-grained CAIs from Allende |
| 4/21 | Ryo FUJITA | The thermal and chemical litho-stratigraphy beneath the Hawaiian Islands |
| 5/9 | Tetsuya YOKOYAMA | Nucleosynthetic Cr and Ti anomalies in Ryugu |
| 5/12 | Akira ISHIKAWA | Simultaneous determination of volatile chalcophile and highly siderophile elements in carbonaceous chondrites by triple quadrupole ICP-MS after sealed-glass tube digestion |
| 5/16 | Hidetoshi MORI (Ishikawa Lab) | Origin of highly depleted peridotites from Iwanaidake ultramafic body in Hokkaido, Japan: constraints from platinum-group element geochemistry |
| 5/19 | Makiko K. HABA | Exposure histories of ungrouped achondrites NWA 6693 and NWA 4587 |
| 5/30 | Ryu SATO (Ishikawa-lab) | Mantle evolution in late Archean probed by highly siderophile element content |
| 6/2 | Koharu FUJIMURA | Towards evaluating the heterogeneity of 92Nb abundances in the early Solar System |
| 6/6 | Shumpei MASAKI | Evaluation of the initial 146Sm abundance in the outer Solar System by measuring carbonaceous achondrites |
| 6/9 | Yuka NIWA (Ishikawa-lab) | Thermal structure of Oceanic Plate inferred from petit-spot mantle xenoliths |
| 6/13 | Yuta IHARA (Ishikawa-lab) | Highly siderophile element geochemistry of Phanerozoic komatiites and related mafic-ultramafic rocks in Gorgona island, Columbia |
| 6/16 | Tatsuya TAMURA | Molybdenum isotopic composition in volcanic rocks from NE Japan |
| 6/27 | Yuma TANAKA (Ishikawa-lab) | Paper review: Ratios of S, Se and Te in the silicate Earth require a volatile-rich late veneer (Wang and Becker, 2013, Nature) |
| 6/30 | Takahiro HAZAMA (Ishikawa Lab) | Estimation of temperature and pressure in caroline Hotspot mantle xenolith |
| 7/4 | Yao XIAO | Using 54Cr isotopes to trace the original zone of impactors collided with Vesta |
| 7/7 | Karina LOPEZ-GARCIA | Origin of the elemental and isotopic variabilities in Ivuna-type carbonaceous chondrites |
| 7/18 | Yoshiaki SHIRAISHI | Cr and Ti isotopic anomalies in Al-rich chondrules |
| 7/25 | Nao NAKANISHI | Nucleosynthetic s-process depletion in Mo from Ryugu samples returned by Hayabusa2 |
| 7/28 | Ikshu GAUTAM | High precision abundance analyses of multiple elements using TQ ICPMS |