2A-AW-1650 PDF
極微量希ガス質量分析法による地球内部揮発性物質循環の研究
Noble gases are powerful tracers of volatile cycling in the Earth’s interior. Highly sensitive noble gas mass spectrometry techniques have made it possible to analyze not only ultratrace amount of noble gas isotopes, but also trace halogens through their conversion to noble gas isotopes by neutron irradiation. Here I will introduce recent findings in Earth and planetary science, which were not possible without improvement of sensitivity of noble gas mass spectrometer and ingenuity with extracting noble gases from targeted sites.