2012年度 前期セミナー

date name subject
April 12 Tetsuya YOKOYAMA Sr isotope anomalies in chondritic acid leachates
April 19 Tomohiro USUI Origin of water and mantle-crust interactions on Mars inferred from hydrogen isotopes and volatile element abundances of olivine-hosted melt inclusions of primitive shergottites
April 26 Yusuke FUKAMI Tellurium isotope compositions in sequential acid leachates of carbonaceous chondrites
Asobo N.E. ASAHH Geochemistry and Petrogenesis of lavas of the Oku Volcanic Group (Cameroon Volcanic Line): Constrains from isotope, major and trace elements
May 10 Yuichiro NAGAI Separation of Mo, W and HFSEs
Development of Mo isotope measurement by N-TIMS
Kunihiro MYOJO Chronogical and isotopic study of CAIs from CO and CV chondrites
May 17 Wataru OKUI PLANETARY-SCALE STRONTIUM ISOTOPIC HETEROGENEITY
Hirokazu TAKAHASHI Development of ultra-high precision Nd isotope analysis primitive meteoreites
May 31 Tatsuya WATANABE Th and U spike calibration for the study of galactic chemical evolution from U/Th production ratio in meteorites
Yuu HINOHARA Development of precise analysis for trace element abundances in geological samples by double isotope dilution internal standardization technique coupled with ICP-MS
June 7 Hiroshi YAMAZAKI Development of perfect resolution method for Os and Sr in a meteorite isotopic analysis
Yusuke FUKAMI Grouping of elements by nucleosynthetic isotope anomalies in meteorites
June 14 Yuichiro NAGAI Development of Mo isotope analysis for isotope anomalies in tiny presolar grains
Hirokazu TAKAHASHI Development of ultra-high precision Nd isotope analysis of primitive meteorites
June 21 Asobo N.E. ASAAH ----------
Tatsuya WATANABE Re-calibration of Th and U spike for the study of galactic chemical evolution from the U/Th production ratio in meteorites
July 5 Kunihiro MYOJO Chronogical and isotopic study for CAIs from CV and CO chondrites
Yuu HINOHARA Development of precise analysis for trace element abundances in geological samples by multi isotope dilution internal standardization technique coupled with ICP-MS
July 12 Wataru OKUI Sr double spike calibration and Ba column separation
Hiroshi YAMAZAKI Development of perfect resolution method for Sr in a meteorite or isotopic analysis
July 19 Aya KANEKO Paper Review
Ryota MORIWAKI PaperReview

2012年度 後期セミナー

date name subject
October 2 Tetsuya YOKOYAMA Uranium-series disequilibrium in volcanic rocks from the Northeast Japan Arc
October 16 Nao NAKANISHI Determination of Osmium Isotope Compositions in Iron Meteorites Using Laser Ablation in Liquid Sampling Technique (LAL)
Asobo N.E. ASAHH Estimation of lithosphere depth along the CVL and magma source; constrain from Major, trace elements and isotopic ratios
October 23 Wataru OKUI Paper Review
Hirokazu TAKAHASHI Development of ultra-high precision Nd isotope analysis
October 30 Ryota MORIWAKI Petrographic description of Tissint
Aya KANEKO Preliminary report for electron microprobe study of an unclassified achondrite, NWA6693
November 6 Hiroshi YAMAZAKI Development of perfect resolution method for Sr in a meteorite isotopic analysis
Kunihiro MYOJO Paper Review
November 13 Yuichiro NAGAI Paper Review
Tatsuya WATANABE Development of measuring very small amount (sub-picogram) U and Th using TIMS: U blank blank blank in the chemical treatment process
November 20 Tomohiro USUI Experimental and numerical investigations of the formation of felsic asteroidal crust
December 18 Nao NAKANISHI Determination of Osmium isotope compositions in metal phases from CB chondrites using micro sampling techniques
Wataru OKUI Sr stable isotope measurements in Allende chondrules
Hirokazu TAKAHASHI A study for early planetary differentiation by ultr high-precision Nd isotopic analysis for primitive meteorites
January 8 Ryota MORIWAKI Geochemical research of martian meteorite Tissint
Aya KANEKO Geochemical research of unclassified achondrite NWA6693
Hiroshi YAMAZAKI Establish a method for the decomposition of presolar grains in meteorites high accuracy isotope analysis
January 15 Yusuke FUKAMI Tellurium Isotope Compositions in Sequential Acid Leaching Samples of Carbonaceous Chondrites
Kunihiro MYOJO Progress report: Mineral identification and Al-Mg measurement for CAI from Allende
January 22 Tatsuya WATANABE Development of measuring very small amount (sub-picogram) U and Th using TIMS: U blank blank blank in the chemical treatment process
Yuichiro NAGAI Development of tungsten isotope analysis using N-TIMS for isotopic studies of primordial materials in the early solay system