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Ito, E., Sato, H., Aseismicity in the lower mantle by superplasticity of the descending slab, Nature, 351, 140–141, 1991.
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Kusakabe, M., Build-up of CO2 at Lake Nyos, Cameroon, Kagaku (Science), 61, 307–310, 1991 (in Japanese).
Makishima, A., Nakamura, E., Precise measurement of cerium isotope composition in rock samples, Chem. Geol., 94, 1–11, 1991.
Makishima, A., Nakamura, E., Calibration of faraday cup efficiency in a multicollector mass- spectrometer, Chem. Geol., 94, 105–110, 1991.
Makishima, A., Nakamura, E., Masuda, A., Applications of La-Ce systematics in the geochemistry, Bull. Volcanol. Soc. Jpn., 36, 161–175, 1991 (in Japanese)．
Ming, L.C., Kim, Y.H., Manghnani, M.H., Ushadevi, S., Ito, E., Xie, H.S., Back transformation and oxidation of (mg, fe)2sio4 spinels at high-temperatures, Phys. Chem. Miner., 18, 171–179, 1991.
Miura, Y., Nagao, K., Noble-gases in 6 gsj igneous rock samples, Geochem. J., 25, 163–171, 1991.
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Mizota, C., Itoh, M., Kusakabe, M., Noto, M., Oxygen isotope ratios of opaline silica and plant opal in 3 recent volcanic ash soils, Geoderma, 50, 211–217, 1991.
Nagao, K., Ogata, A., Miura, Y., Matsuda, J.I., Akimoto, S.I., Highly reproducible 13 and 17 ka k-ar ages of 2 volcanic-rocks, Geochem. J., 25, 447–451, 1991.
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Sato, H., Viscosity of the upper mantle from laboratory creep and anelasticity measurements in peridotite at high-pressure and temperature, Geophys. J. Int., 105, 587–599, 1991.
Sato, H., Kusakabe, M., Water content and hydrogen isotopic composition of glassy bronzite andesite (sanukite) and glassy rhyolite from Goshikidai and Kanayama, northeast Shikoku, Japan, J. Geol. Soc. Jpn., 97, 755–758, 1991 (in Japanese).
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Shibata, T., Nakamura, E., Interaction between subducted oceanic slab and wedge mantle inferred from across-arc variations of pb, sr and nd isotopic compositions in northeastern japan, Proc. Jpn. Acad. Ser. B-Phys. Biol. Sci., 67, 115–120, 1991.
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