About HASEGAWA TAKESHI
About IGARI SHUN'YA
About 日立市郷土博物館
About OHIRA TATSUO
About 日立市郷土博物館
About TAGIRI MICHIO
About 日立市郷土博物館
About MUKAI MASAYUKI
About 旭川市博物館
About WADA KEIJI
About 北海道教大 旭川校
About 考古学と自然科学
About Ibaraki prefecture
About remains
About stone implement
About obsidian
About supply source
About energy dispersive X-ray spectrometry
About chemical composition
About archaeology
About Hitachi City
About Quaternary
About Geochemistry of lithosphere in general
About 茨城
About 日立
About 遺跡
About 黒曜石
About 石器
About 産地推定