2017 前期セミナー

date name subject
April 7th Tetsuya YOKOYAMA Origin of r-process nuclides in the Solar System: Astronomical and meteoritical perspectives
April 13th Ryota FUKAI Assessment of mass-dependent isotopic fractionation in ion focusing system of TIMS: Implication for high precision Nd isotope analysis
April 13th Tomohiro USUI Mars Moon eXploration (MMX): Science Goals and Objectives
April 20th Makiko HABA Search for extinct 244Pu in meteoritic zircons
May 8th Gaku TANABE Analysis of iron speciation in Martian meteorite using X-ray absorption fine structure
May 15th Kunihiro MYOJO Nucleosynthetic Sr isotope variability in Allende CAIs
June 1st Ryota MORIWAKI Geochemically heterogeneous depleted Martian mantle inferred from radiogenic isotope systematics for the shergottite meteorites
June 1st Saya KAGAMI Sm-Nd chronology of the basaltic eucrite Northwest Africa 7188: constraint on the thermal history of the parent body
June 8th Satoki OKABAYASHI Formation of Fe-Ni metal in ordinary chondrite
June 8th Minato TOBITA Investigation on SEM characteristics of Tokyo Tech TIMS toward U-Pb zircon chronology using ID-TIMS
June 15th Nao NAKANISHI Analysis of highly siderophile elements and osmium isotope compositions in metal phases from Isheyevo
June 15th Hisashi ASANUMA Development of U-Pb dating with ID-TIMS method: Progress report 3
July 6th Hikaru YAGI 石鉄隕石メソシデライト中のジルコンに関する地球化学的研究
July 13th Tomoya BABA Paper review: Yin et al. (2006)
July 13th Yusuke MORIMITSU Paper review: Tobita et al. (2017)
July 20th Mayu NAKAMURA Paper review: Makishima et al. (2009)
July 20th Kei SUGIMOTO Improvement of a method for the measurement of U isotopic composition in meteorites with DS-TE-TIMS
July 27th Masashi SHIDARE The origin of sulfate from impact glasses in Shergottites

2017 後期セミナー

date name subject
Oct. 6th Tetsuya YOKOYAMA Precise determination of Yb isotope ratios in meteorite samples: Technical report 1 - Chemical separation of Yb with LN resin
Oct. 10th Hisashi ASANUMA Reconsideration of a geotectonic model for the Archean North Pole Dome succession
Oct. 17th Ryota FUKAI Heterogeneous distribution of p-nuclides in meteorites
Oct. 31st Nao NAKANISHI Analysis of highly siderophile elements compositions in metal phases from Isheyevo
Nov. 7th Satoki OKABAYASHI The lunar regolith - Trace element analysis using LA-ICP-MS
Nov. 21st Kunihiro MYOJO Nucleosynthetic Sr isotope variability in Allende CAIs: Two models for isotopic heterogeneity in CAI formation region
Nov. 24th Masashi SHIDARE The origin of sulfide from impact glasses in shergottites
Nov. 28th Ryota MORIWAKI Coupled Pb isotopic and trace element concentration systematics for the depleted shergottites Dar al Gani 476 and Yamato 980459
Dec. 1st Saya KAGAMI The evaluation of the initial abundance and half-life time of 146Sm report-1: Sm-Nd chronology of an ungrouped achondrite, North west Africa 6693
Dec.12th Kei SUGIMOTO The measurement of Sr isotopic anomalies of non-chondritic meteorites
Dec. 15th Tomohiro USUI Solar system exploration for aqua planetology
Dec. 19th Makiko HABA Isotopic variations caused by cosmic-ray irradiation and neutron capture reaction
Jan. 9th Hikaru YAGI Constrain the hydrogen isotopic composition of mantle at Archaean era
Jan. 12th Yusuke MORIMITSU 火星初期マントルリザバー混合過程に向けたシャーゴッタイト隕石NWA 1950のPb同位体研究
Jan. 16th Tomoya BABA 隕石の同位体二分性と惑星系の起源：微量Mo同位体分析によるアプローチ
Jan. 19th Mayu NAKAMURA 小惑星サンプルリターン試料の元素・同位体分析に向けた、微少量地球外試料分析法の開発
Jan. 23th Gaku TANABE Analysis of iron speciation in Martian meteorite using X-ray absorption fine structure
Jan. 26th Minato TOBITA Preliminary report on U-Th-Pb isotopic systematics of NWA 7034: Lead isotopic diversity of the Martian crust