Frontier Research Institute for Interdisciplinary Sciences
Tohoku University

Researcher

Masahiro Kayama

Assistant ProfessorAdvanced Basic Science

Mentor Information
Professor
Tomoki Nakamura (Graduate School of Science)
Research Fields Planetary Science, Meteoritics, Mineralogy, Spectroscopy
Research Subjects
  • Origin and reservoir of water on the Moon
Academic Society Membership Japan Geoscience Union, Japan Association of Mineralogical Sciences, The Geological Society of Japan
Research Outline  

Water has been discovered on the Moon by remote sensing spacecraft, but the origin cannot be well understood by conventional theories of the solar wind and comet/asteroid collisions. In this study, we first identified the mantle-originated water from the lunar meteorites using infrared spectroscopy, and found the lunar fluid-originated minerals by electron microscopy, X-ray diffraction and Raman spectroscopy. Our new findings also revealed that the lunar plutonism plays a role in significant water supply sources from the mantle to the surface.

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