Lab seminar 2024
Seminar Fall 2024
| date | name | subject |
|---|---|---|
| 10/3 | All members | Introduction |
| 10/10 | Tetsuya Yokoyama | The elemental abundances of Ryugu: Assessment of chemical heterogeneities and the nugget effect |
| 10/17 | Tatsuya Tamura | Exploration of the elemental cycling through slab-derive fluid, melts and recycled slabs using the molybdenum (Mo) isotopic composition of volcanic rocks from Japanese archipelago |
| 10/21 | Yao Xiao | Proposal for PhD thesis |
| 10/24 | Yan Li | Remote sensing monitoring of water bodies in Wuhan based on deep learning |
| 10/28 | Karina Lopez Garcia | Elemental abundance variations in CI-like chondrite materials |
| 10/31 | Tatsuki Takeya | Accretion Model of Earth Estimating from Molybdenum Isotopes |
| 11/7 | Tomoya Obase | Separation of potassium in iron meteorites by ion chromatography: towards determination of cosmogenic potassium isotope ratios in meteorites |
| 11/21 | Hidetoshi Mori (Ishikawa Lab) | Whole-rock geochemistry of ultramafic rocks from the Kamui Kotan Belt, Hokkaido, Japan：Report of new data of HSEs and Os |
| 11/22 | Yoshiaki Shiraishi | Inward-to-outward transportation of chondrules in the early Solar System: Evidence from nucleosynthetic Cr and Ti isotope anomalies in Al-rich chondrules |
| 11/25 | Shumpei Masaki | Determination of the primary abundance of extinction nuclide 146Sm in the outer solar system |
| 12/2 | Ryu Sato (Ishikawa Lab) | Late Archean mantle evolution inferred from highly siderophile element geochemistry of komatiites in Western Australia |
| 12/5 | Rentaro Takahashi (Ishikawa Lab) | Major and trace element analyses of peridotites from MARK area |
| 12/6 | Ikshu Gautam | Mo isotopes as a proxy for understanding the later accretion of Earth? A case study of Acasta Complex |
| 12/9 | Raito Tomioka | Progress report on the analysis of P abundances in chondrites |
| 12/12 | Akio Nomura | Ru isotope analysis |
| 12/16 | Yuya Sugiyama (Ishikawa Lab) | Major element trend of peridotites from gneiss region of western Norway |
| 1/6 | Ryuso Kitadai | Elemental abundances and Cr isotopic ratios of presolar grains |
| 1/9 | Akira Ishikawa (Ishikawa lab) | Late veneer and mantle evolution inferred from komatiite geochemistry |
| 1/15 | Nao Nakanishi (Waseda U) | Negative 182W anomalies in geochemically-depleted kimberlites reveal a common primordial component |
| 1/16 | Kazuto Mikuni (Ishikawa Lab) | Re-Os isochron age and highly siderophile element composition of mafic xenoliths in a petit-spot volcano |
| 1/17 | Takahiro Hazama (Ishikawa Lab) | Cancelled |
| 1/20 | Yuma Tanaka (Ishikawa Lab) | Peridotite melting experiments to determine liquid-solid phase partition coefficients |
| 1/23 | Yuka Niwa (Ishikawa Lab) | A Journey to the Pacific, Arctic, and Indian Oceans through Research Cruises |
| 1/27 | Clifford Rhys Takeru Lee (Ishikawa lab) | TBA |
Seminar Spring 2024
| date | name | subject |
|---|---|---|
| 4/5 | All members | Introduction |
| 4/9 | Tetsuya Yokoyama | Small-scale Ti isotopic heterogeneity in Ryugu samples influenced by parent-body aqueous alteration |
| 4/16 | Anniken Helland Hansen (Ishikawa Lab) | Peridotite xenoliths from Svalbard |
| 4/19 | Tomoya Obase | Past solar wind flux recorded in meteorites |
| 4/23 | Ke Zhu | Cr isotopic insights into planet formation |
| 4/26 | Tatsuya Tamura | Mo cycle associated with deehydration in subduction zones |
| 4/30 | Yoshiaki Shiraishi | Cr-Ti isotopic anomalies in Al-rich chondrules from CV chondrites |
| 5/7 | Kazuto Mikuni (Ishikawa Lab) | Cretaceous Pacific oceanic crust captured as mafic xenoliths in a petit-spot volcano |
| 5/10 | Hidetoshi Mori (Ishikawa Lab) | Whole-rock geochemistry of ultramafic rocks from the Kamui Kotan Belt, Hokkaido, Japan：Report of trace element and Os analysis |
| 5/21 | Karina Lopez Garcia | Elemental abundance variations in Ryugu grains |
| 5/24 | Shumpei Masaki | Towards the determination of initial 146Sm abundance of the outer Solar System |
| 6/4 | Ikshu Gautam | Mass dependent and independent Mo isotopic composition of the mafic rocks of Acasta Complex |
| 6/7 | Ryu Sato (Ishikawa Lab) | Exploring Mantle Evolution 2.7 Billion Years Ago from Ultramafic Volcanic Rocks in the Yilgarn Craton and Pyradie Formation |
| 6/11 | Yao Xiao | Using 54Cr to trace the original zone of the impactor collided with asteroid 4 Vesta |
| 6/14 | Yuka Niwa (Ishikawa Lab) | The thermal structure of oceanic lithosphere inferred from mantle xenoliths |
| 6/18 | Yuma Tanaka (Ishikawa Lab) | Partitioning experiments for determination of melt-solid phase partition coefficients of PGE |
| 6/21 | Tatsuki Takeya | Mo-Ru Nucleosynthetic Isotope Anomalies |
| 7/2 | Yuki Masuda | Distribution analysis of trace element abundances and strontium isotope ratios in fine-grained CAIs in the CV chondrite using multiple-spot femtosecond LA-ICP-MS |
| 7/5 | Raito Tomioka | Paper review: Phosphorus volatility in the early solar nebula (Pasek 2019) |
| 7/9 | Akio Nomura | Paper review: Late accretionary history of Earth and Moon preserved in lunar impactites (Worsham et al., 2021) |
| 7/9 | Ryuso Kitadai | Paper review: Rare earth element abundances in presolar SiC (Ireland et al., 2018) |
| 7/12 | Yuya Sugiyama (Ishikawa Lab) | Paper review: The Origin and Evolution of the Kaapvaal Cratonic Lithospheric Mantle (Simon et al., 2007) |
| 7/17 | Rentaro Takahashi (Ishikawa Lab) | Paper review: Ancient melt extraction from the oceanic upper mantle revealed by Re?Os isotopes in abyssal peridotites from the Mid-Atlantic ridge (Harvey et al., 2006) |
| 7/19 | Nao Nakanishi (Waseda U) | Distribution of highly siderophile elements in CI-like materials |
| 7/26 | Takahiro Hazama (Ishikawa Lab) | Research proposal for Master's thesis |
| 7/30 | Akira Ishikawa (Ishikawa lab) | Geochemical structure of the Earth’s mantle inferred from Osmium isotope |