@article{CTT100789922, author = {Takeshi Kuritani and Yamaguchi, Azusa and Fukumitsu, Sayuki and Nakagawa, Mitsuhiro and Matsumoto, Akiko and Tetsuya Yokoyama}, title = {Magma Plumbing System at Izu-Oshima Volcano, Japan: Constraints From Petrological and Geochemical Analyses}, journal = {Frontiers in Earth Science}, year = 2018, } @article{CTT100762896, author = {Kunihiro Myojo and Tetsuya Yokoyama and Satoki Okabayashi and Shigeyuki Wakaki and Naoji Sugiura and Hikaru Iwamori}, title = {The Origin and Evolution of Nucleosynthetic Sr Isotope Variability in Calcium and Aluminum-rich Refractory Inclusions}, journal = {Astrophysical Journal}, year = 2018, } @article{CTT100789924, author = {Aka, Festus Tongwa and Hasegawa, Takeshi and Nche, Linus Anye and Asobo Nkengmatia Asaah and Mimba, Mumbfu Ernestine and Teitchou, Isidore and Ngwa, Caroline and Miyabuchi, Yasuo and Kobayashi, Tetsuo and Kankeu, Boniface and Tetsuya Yokoyama and Tanyileke, Gregory and Ohba, Takeshi and Hell, Joseph Victor and Kusakabe, Minoru}, title = {Upper Triassic mafic dykes of Lake Nyos, Cameroon (West Africa) I: K-Ar age evidence within the context of Cameroon Line magmatism, and the tectonic significance}, journal = {Journal of African Earth Sciences}, year = 2018, } @article{CTT100789923, author = {Nao Nakanishi and Tetsuya Yokoyama and Satoki Okabayashi and Tomohiro Usui and Hikaru Iwamori}, title = {Re-Os isotope systematics and fractionation of siderophile elements in metal phases from CBa chondrites}, journal = {Meteoritics & Planetary Science}, year = 2018, } @inproceedings{CTT100782130, author = {Nao Nakanishi and Tetsuya Yokoyama and Akira Ishikawa}, title = {Reassessment of chemical separation techniques for isotope analysis of pg-level Os with N-TIMS}, booktitle = {}, year = 2018, }