Browsing by Author "Tanaka T."
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Browsing by Author "Tanaka T."
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Tanimizu M.; Tanaka T. (2002)138Ce/142Ce and 143Nd/144Nd isotope ratios of lunar samples are determined to constrain the petrogenetic differentiation and evolution of the moon. High-precision Ce-Nd isotope data, well-defined Rb-Sr isochrons, and rare ...
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Hirata T.; Hattori M.; Tanaka T. (1998)In-situ isotopic ratio analyses of Os for iridosmine samples have been made by a laser ablation–multiple collector–inductively coupled plasma mass spectrometer (LA–MC–ICPMS). A frequency-quadrupled Nd-YAG UV laser (266 nm) ...
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Tanaka T.; Akizuki M.; Kudoh Y. (2002)Sectored vesuvianite showing optically triclinic properties was studied by X-ray and P-FTIR analyses, and the origins of the internal optical texture are discussed. A monoclinic refinement (space group P2/n) suggests that ...
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Tanaka T.; Kimura R.; Akizuki M.; Kudoh Y. (2002)Edingtonite and yugawaralite showing sectoral textures were studied by polarized optical microscopy and X-ray analysis. In edingtonite, the m{110} sector (2Vα = 22°) is optically triclinic and the c{001} sector (2Vα = 52°) ...
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Asahara Y.; Tanaka T.; Kamioka H.; Nishimura A.; Yamazaki T. (1999)Rb–Sr isotopic systematics of 111 samples of sediments in nine cores from the north Pacific of Quaternary and Pliocene ages have been investigated. They provide information on the provenance, the process of particle transport ...
Now showing items 1-5 of 5