山口県周南市細野遺跡出土の旧石器時代石器

Hosono site is a complex archaeological sites ranging from the Paleolithic Age to the Middle Ages. This sites situated at the upper stream of the Nishiki River in the Chugoku Mountains. This sites is located on a river terrace with an altitude around 255 m.　
In this paper, we report on the Palaeolithic stone tools from Hosono site.　These Paleolithic stone tools mainly consisted of tuff, and can be roughly classified three periods.　The first is a stone spear head, which is positioned at the end of the Upper Paleolithic Age − the early Jomon Age.　The second is a knife blade and a blade, which is positioned in the second half of the Upper Paleolithic Age.　These stone tools are close relation with stone tools of the eastern Kyushu district.　The third is a wide flake, a core, which is positioned in the first half of the late Paleolithic Age.　The stone tools collected from this site are important materials for considering the use of raw materials for stone tools and the relations of human group in the Upper Paleolithic Age in Southwest Japan.