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Japan Geoscience Union | 2017

3.2 Ga sulfur isotopic heterogeneity of barite and pyrite microcrystals in Dixon Island Formation, Pilbara, Western Australia.

Tsubasa Miki; Shoichi Kiyokawa; Naoto Takahata; Akizumi Ishida; Takashi Ito; Minoru Ikehara; Yuji Sano


Japan Geoscience Union | 2017

Lithologies and stratigraphy of GHB cores drilled at Cape Three Points area in the Birimian Supergroup, Ghana

Shiono Sakai; Shoichi Kiyokawa; Takashi Ito; Minoru Ikehara; Kosei E. Yamaguchi; Tetsuji Onoue; Satoshi Yoshimaru; Tsubasa Miki; George M. Tetteh; Frank K. Nyame


Japan Geoscience Union | 2016

Preliminary report of Ghana Biriman Greenstone belt drilling project (GHB): Reconstruction Paleoproterozoic oceanic environment

Shoichi Kiyokawa; Takashi Ito; Minoru Ikehara; Kosei E. Yamaguchi; Tetsuji Onoue; Kenji Horie; Satoshi Yoshimaru; Tsubasa Miki; Tetteh M George; Frank K. Nyame


Japan Geoscience Union | 2016

Estimation of 3.2 Ga seawater-hydrothermal environment from sulfur isotopic analyses of barite crystals in Dixon Island Formation, Western Australia

Tsubasa Miki; Shoichi Kiyokawa; Naoto Takahata; Akizumi Ishida; Takashi Ito; Minoru Ikehara; Kosei E. Yamaguchi; Yuji Sano


Japan Geoscience Union | 2015

Reconstruction of 3.2Ga seafloor: Carbon and Sulfur isotopic analysis for DXCL drill cores of Pilbara, Western Australia

Tsubasa Miki; Shoichi Kiyokawa; Hiroshi Naraoka; Naoto Takahata; Akizumi Ishida; Takashi Ito; Minoru Ikehara; Kosei E. Yamaguchi; Yuji Sano


Japan Geoscience Union | 2015

U-Pb dating of zircons and measurement of organic carbon isotope in the sedimentary rocks from the BGB

Takuya Harada; Shoichi Kiyokawa; Tsubasa Miki; Shuhei Teraji; Yukiyasu Tsutsumi; Minoru Ikehara


Annual Meeting of the Geological Society of Japan The 122nd Annual Meeting(2015' Nagano) | 2015

The 3.2Ga marine environment inferred from sulfur isotope ratio of barite crystals in Pilbara, Western Australia

Tsubasa Miki; Shoichi Kiyokawa; Hiroshi Naraoka; Naoto Takahata; Akizumi Ishida; Takashi Ito; Minoru Ikehara; E. Kosei Yamaguchi; Yuji Sano


2015 AGU Fall Meeting | 2015

Implications of 3.2 Ga deep seawater from sulfur isotopic analysis of barite crystals in Pilbara, Western Australia.

Tsubasa Miki


Japan Geoscience Union | 2014

Reconstruction of 3.2Ga sea floor environment: Carbon and sulfur isotopic ratios of DXCL drill cores.

Tsubasa Miki; Shoichi Kiyokawa; Hiroshi Naraoka; Naoto Takahata; Akizumi Ishida; Takashi Ito; Minoru Ikehara; Kosei E. Yamaguchi; Ryo Sakamoto; Yuji Sano


Annual Meeting of the Geological Society of Japan The 121st Annual Meeting(2014' Kagoshima) | 2014

Reconstruct and analysis of sea floor sedimentary sequence in 3.2-3.1Ga: result of DXCL drilling project in Pilbara Australia

Kiyokawa Shoichi; Takashi Ito; Minoru Ikehara; Kosei E. Yamaguchi; Tetsuji Onoue; Kenji Horie; Yusuke Suganuma; Hiroshi Naraoka; Tsubasa Miki

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