新宝测速6-Earth-and-Planetary-systems-science Program | Hiroshima University

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新宝测速6:Earth-and-Planetary-systems-science Program

News & Topics

LOMU Type Alkali Basalts in East Asia Sourced from Subduction Recycling of Multiple Ancient Crustal Components

Model calculations using Pb isotopic ratios suggest that crustal components with low U/Pb ratios subducted about 2.2 and 1.8 billion years ago were incorporated into the mantle beneath the continents.

Macromolecular organic matter in samples of the asteroid (162173) Ryugu

The formation pathways of macromolecular organic matter in the asteroid Ryugu samples has been revealed by a variety of microscopic analytical techniques.

Elucidation of conditions for manganese oxidation by oxygenic photosynthesis

The manganese oxidation reaction is not promoted by photosynthesis due to the low pH.


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