2018 前期セミナー

date name subject
Apr. 13th Tetsuya YOKOYAMA Molybdenum isotopic evidence for late accretion of outer Solar System material
Apr. 17th Mizuho KOIKE The intence bombardment on Vesta at 4.2-4.1 Ga: estimates from in-situ U-Pb chronology of phosphates in basaltic eucrites
Apr. 20th Tomohiro USUI Japanese Mars Exploration Program -Exploring Habitable Subsurface World-
May 8th Ryota FUKAI Nucleosynthetic Sr-Nd correlation in bulk chondrites: Evidence for thermal processing and transportation of refractory dusts in the early Solar System
May 15th Minato TOBITA Lead Isotope Analysis for Sphalerites in Iron Meteorites: Searching for the Most Primordial Pb Isotope Composition in the Solar System
May 18th Makiko HABA Multi-chronology of meteoritic zircon and the Initial 244Pu/238U ratio In the Solar System
Jun. 19th Saya KAGAMI Noble gas compositions of the Stannern-group eucrites: To understand the thermal history by multiple dating systems
Jun. 22nd Satoki OKABAYASHI Iron Isotopic Signature of Lunar Regolith of Soviet Luna Robotic Missions
Jun. 26th Gaku TANABE X線吸収微細構造分析による火星隕石中の炭酸塩の鉄化学種解析
Jul. 3rd Kunihiro MYOJO Nucleosynthetic Sr isotope variability in Allende CAIs Effect of parent body process toward Sr isotope composition for CAI
Jul. 6th Kei SUGIMOTO NC隕石のSr安定同位体異常測定に向けた分析手法の見直し
Jul. 10th Yuki MASUDA 論文紹介: Quinn R. Shollenberger (2018)
Jul. 10th Motoi OKADA 論文紹介: Clenet et al. (2014); Lindsay et al. (2015)
Jul. 13th Tomoya BABA Mo同位体分析手法の見直し: Parr Bombを用いた酸分解
Jul. 13th Iori KAJITANI 論文紹介: Mohit MELWANI DASWANI et al. (2016)
Jul. 27th Yusuke MORIMITSU Isotopic composition of zinc in lunar meteorites
Jul. 31st Nao NAKANISHI Refilament of solvent extraction and micro-distillation techniques for isotopic analysis of pg-level Os with N-TIMS

2018 後期セミナー

date name subject
Oct. 5th Tetsuya YOKOYAMA Separation of heavy lanthanoids by flash column chromatography for precise determination of Er and Yb isotope composition in rock samples
Oct. 9th Makiko K. Haba Mesosiderite formation on asteroid 4 Vesta by a catastrophic collision
Oct. 30th Yusuke MORIMITSU Isotopic composition of zinc in lunar meteorites
Nov. 2nd Saya KAGAMI Simultaneous Determination of HFSEs and IFFEs in Rock Samples by ICP-QMS with ID-IS Method
Nov. 16th Satoki OKABAYASHI Iron isotopic measurement of Ni-rich metal phase using LA-MC-ICP-MS technique with Galvanometric scanner
Nov. 20th Ryota FUKAI Nucleosynthetic Sr and Nd isotopic heterogeneities in the early Solar System
Dec. 11th Kei SUGIMOTO Improvement of analysis method for Sr isotope measurement of NC group meteorites
Dec. 21st Gaku TANABE Analysis of iron speciation in Martian meteorite using X ray absorption fine structure
Jan. 8th Iori KAJITANI 火星隕石ALH84001 の炭酸塩中の硫黄化学種解析に基づく火星表層環境史の解明
Jan. 11th Motoi OKADA 放射年代及び宇宙線照射年代測定に基づくホワルダイト隕石の熱史の解明
Jan. 11th Yuki MASUDA レーザーで掘削した試料の効率的な回収法の検討　〜よりミクロな領域のTIMS 測定を目指して〜