About KOIKE Mizuho
About Univ. Tokyo, Chiba, JPN
About OTA Yoshihiro
About Univ. Tokyo, Chiba, JPN
About SANO Yuji
About Univ. Tokyo, Chiba, JPN
About TAKAHATA Naoto
About Univ. Tokyo, Chiba, JPN
About SUGIURA Naoji
About Univ. Tokyo, Tokyo, JPN
About Geochemical Journal
About phosphate mineral
About uranium-thorium-lead dating
About secondary ion mass spectrometry
About space resolving power
About achondrite
About Martian meteorite
About nano SIMS
About nano SIMS
About Dating
About Dating related to geochemistry
About Meteors,comets,meteorites
About 火星隕石
About リン酸塩鉱物
About 高空間分解能
About U-Pb年代