Dissertation

2024

Ph.D MASUDA, Yuki Isotopic evolution of the early Solar System inferred from nucleosynthetic isotope anomalies in refractory materials from CV chondrites
Master FUJIMURA, Koharu Reevaluation of the 92Nb abundance heterogeneity in the early Solar System using ungrouped achondrites

2023

Master OHKUMA, Yusuke Determination of Cr and Ti isotopic compositions in chondrites with an alkali fusion digestion method
Master NISHIKAWA, Keiji Geochemical Study on Martian Meteorites: Implications from Chromium Isotope Analysis
Bachelor KITAMURA, Kaoru Mo isotopic compositions of CC achondrites, NWA6693/6704
Bachelor SHIRAISHI, Yoshiaki Nucleosynthetic Cr isotope anomalies in Al-rich chondrules
Bachelor MASAKI, Shumpei Nucleosynthetic Cr isotope anomalies in mesosiderites: Towards understanding the origin and evolution of Vesta

2022

Master TAMURA, Tatsuya Molybdenum isotope ratios in Izu-islands magmatic rocks
Bachelor SUMIYA, Koki 53Mn-53Cr systematics in chondrites
Bachelor FUJIMURA, Koharu Toward the evaluation of heterogeneity of the extinct nuclide Nb92 in the early solar system using the IIE iron meteorite
Bachelor YODA, Yuki Simultaneous determination of multi-elemental abundances in chondrites using ICP-MS

2021

Master MASUDA, Yuki Development of a new micro-sampling method using laser ablation and membrane filter (LAF) and its application to calcium and aluminum-rich inclusions in Allende meteorite
Master OKADA, Motoi Rb-Sr dating of the Agoult eucrite, Implications for elucidating the thermal history of Vestafs crust
Bachelor OHKUMA, Yusuke Cr isotopic compositions in CM chondrites
Bachelor NISHIKAWA, Keiji Study for the evolution of Martian mantle based on the Pb isotpic systematics in Martian meteorites
Bachelor OKAWA, Shotaro Development of complete sample dissolution method for the isotopic measurements of Mo

2020

Ph.D TOBITA, Minato Evolution of ancient Martian crust inferred from U-Pb isotopic systematics of Martian meteorites
Master MORIMITSU, Yusuke Lead isotopic composition of a basaltic lunar meteorite NWA 4734: Implication for early lunar magmatic evolution
Bachelor TAMURA, Tatsuya Geochemical study of rhyorites and basaltic xenoliths from Kozushima volcano

2019

Ph.D KAGAMI, Saya Geochemical and chronological studies of basaltic eucrites: Implications for decoding the thermal history of a terrestrial planet, Vesta
Ph.D FUKAI, Ryota Nucleosynthetic Sr and Nd isotope heterogeneities in the early Solar System
Master SUGIMITO, Kei Nucleosynthetic Sr isotope variability in differentiated meteorites
Master TANABE, Gaku Analysis of iron speciation in Martian meteorite Allan Hills 84001 using X-ray absorption fine structure
Bachelor OKADA, Motoi Investigating the evolution of Vesta's crust based on the chronology of howerdite
Bachelor KAJITANI, Iori Sulfur species in ALH 84001 carbonates constrain conditions of liquid water on ancient Mars
Bachelor MASUDA, Yuki Development of the LAF method for the high-precision in-situ isotopic analysis for AOA

2018

Ph.D ASANUMA, Hisashi The tectonic history of Neoproterozoic and Paleoarchean subduction-related orogen
Ph.D NAKANISHI, Nao Analyses of highly siderophile elements and osmium isotope compositions in metal phases from carbonaceous chondrites for the study of the chemical evolution of the Solar System
Ph.D MYOJO, Kunihiro Nucleosynthetic Sr isotope variability in calcium and aluminum-rich inclusions from CV chondrites
Ph.D MORIWAKI, Ryota Lead isotope systematics of the shergottite meteorites: Implications for the geochemical evolution of Martian mantle
Master SHIDARE, Masashi Geochemical constraints on ancient water reservoirs on Mars from S K-edge XANES analyses of impact glasses in shergottites
Bachelor NAKAMURA, Mayu Development of analytical method for extremely small amount of extraterrestrial materials returned by asteroid sample return mission
Bachelor BABA, Tomoya Origin of isotope dichotomy in meteorites and planetary system: implilcation from Mo isotope analysis
Bachelor MORIMITSU, Yusuke Geochemical study of a shegottite NWA 1950 for the understanding of mixing process of initial Martian mantle reservoirs

2017

Ph.D FUJISAKI, Wataru Geological and Geochemical Perspectives on the Global Environmental Changes across the Toarcian Oceanic Anoxic Event
Master TOBITA, Minato Geochemical study of Martian meteorite Zagami with U-Pb isotopic systematics
Bachelor SUGIMOTO, Kei Development of high-precision U isotope analysis for meteorites using double-spike total evaporation method
Bachelor TANABE, Gaku Analysis of iron speciation for carbonates in Martian meteorites using X-ray absorption fine structure
Bachelor YAGI, Hikaru Geochemical investigation of zircons in mesosiderites

2016

Ph.D NAGAI, Yuichiro Development of Precise Molybdenum Isotope Analysis by Negative Thermal Ionization Mass Spectrometry
and Its Application to the Study of Nucleosynthetic Isotope Anomalies in Meteorites
Master KAGAMI, Saya Geochemical study of basaltic eucrites with the 147Sm-143Nd and 146Sm-142Nd systematics
Master FUKAI, Ryota High precision Nd and Sm isotopic analysis of bulk chondrites with complete sample digestion
Bachelor NAKAHARA, Masaki Study of nucleosynthetic Yb isotope anomalies in meteorites
Bachelor SHIDARE, Masashi Analysis of sulfur speciation in Martian meteorites using X-ray absorption fine structure
Bachelor KUDO, Satoshi Development of extremely small amounts of U and Th for the study of cosmochronology

2015

Ph.D ASAAH, Asobo N.E. Petrogenesis of Volcanic Rocks along the Cameroon Volcanic Line:
Case of the Oku Volcanic Group, North West Cameroon, Central Africa
Master MORIWAKI, Ryota Lead isotope systematics of olivine-phyric shergottites: Implications for the chemical evolution of the martian mantle
Bachelor TOBITA, Minato/td> Geochemical study of a Martian meteorite Zagami using U-Th-Pb systematics
Bachelor HASEGAWA, Sho High-precision Sr isotope analysis for meteorites with dynamic multicollection method

2014

Ph.D YAMAZAKI, Erika Tin isotope analysis for geochemical and archaeological application
Ph.D FUKAMI, Yusuke Development of Precise Tellurium Isotope Analysis by Negative Thermal Ionization Mass Spectrometry (N-TIMS) for the Study of Nucleosynthetic Isotope Anomalies in the Early Solar System
Bachelor KAGAMI, Saya Development of 146Sm-142Nd dating for eucrites
Bachelor SHIMAZAKI, Kiwamu Origin of metals in CR chondrites: Constraints from highly siderophile elements
Bachelor FUKAI, Ryota Trace element analysis of presolar grains for the study of Galactic chemical evolution

2013

Master OKUI, Wataru Sr stable isotopic anomalies in primitive meteorites and chondrules
Master WATANABE, Tatsuya Development of extremely small amount of U and Th analysis by ID-TIMS for the study of Galactic Chemical Evolution
Master NAKANISHI, Nao Determination of osmium isotope compositions in metal phases from CB chondrites using micro sampling techniques
Master TAKAHASHI, Hirokazu A study for early planetary differentiation by ultra high-precision Nd isotopic analysis for primitive meteorites
Bachelor KANEKO, Aya Geochemical and petrological study of primitive achondrite NWA 6693
Bachelor MORIWAKI, Ryota Geochemical study of a Martian meteorite Tissint
Bachelor YAMAZAKI, Hiroshi Development of a new sample digestion method for the study of isotope anomalies in meteorites

2012

Master NAGAI, Yuichiro Nucleosynthetic molybdenum isotope anomalies in primitive chondrites
Master MYOJO, Kunihiro Chronological and isotopic study of CAIs from CO and CV chondrites
Master MORI, Tomohiko Chronological and geochemical study of an ungrouped achondrite, NWA6693
Bachelor HINOHARA, Yu Development of precise analysis for trace elements using ICP-MS with multi isotope dilution method

2011

Master ITO Nobuaki In search of nucleosynthetic Sr isotope anomalies in chondrite
Master OKABAYASHI, Satoki Iron isotope signature for ordinary chondrites using laser ablation in liquid (LAL) sampling ICP-MS technique
Master TAKAHIRO, Iwai Development of Atmospheric Plasma Soft Ablation method (APSA) for high sensitive and non-destructive analysis of surface adhesion materials
Bachelor OKUI, Wataru Stable Sr isotope analyses for primitive meteorites
Bachelor TAKAHASHI, Hirokazu Development of 147Sm-143Nd and 146Sm-142Nd dating methods for meteorites
Bachelor WATANABE, Tatsuya Determination of 235U/238U anomalies in meteorites

2010

Master SENSAKI, Haruki Development of an analytical technique for speciation and stable isotope analysis of Ca in human blood samples
Master TANAKA, Yuki Iron isotope ratio measurement on biological samples using multiple collector-ICP-mass spectrometry
Master FUKAMI, Yusuke Isotope analysis of tungsten in irn meteorites and pallasites
Bachelor NAGAI, Yuichiro Study for the detection of isotope anomalies in primitive meteorites
Bachelor NAKANISHI, Nao Determination of HSE abundances in primitive meteorites using the isotope dilution method
Bachelor MYOJO, Kunihiro Chronology of CAIs in CO chondrites using extinct nuclides
Bachelor MORI, Tomohiko Analysis of lithophile elements in primitive meteorites and their components