Bulletin of the Hiroshima University Museum Issue 3
2011-12-25 発行

鹿児島県西多羅ヶ迫遺跡から出土した石器の残存デンプン粒と後期旧石器時代前半期における遺跡内の植物利用 <原著論文>

Starch on stone tools at the Nishitaragasako site, Kagoshima, Japan, and its plant utilization in the Upper Palaeolithic period <Article>
Shibutani, Ayako
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abstract
The uses of Upper Palaeolithic stone tools and plants at the Nishitaragasako site, Kagoshima, were explored by analysing starch residues on the tools. The total starch granule numbers recorded were 160 from 11 sampled stone tools. The quantities of starch found by point sampling were compared on the working and non-working surfaces of stone slabs and grinding stones. More starch granules were found on working surfaces, and they may have been used for processing plants. But no starch granules on working surfaces may have been used for stone tool making. The co-occurrence of spherical and pentagonal starch granules on individual tools suggests that more than two plant species were utilized within the working life of individual grinding stones. Initial visual comparisons of ancient starch samples and modern reference samples suggested the possible presence of 13 genera and 29 identifiable species. The candidates for ancient presence at the Nishitaragasako site include Castanea crenata, Quercus, Juglans ailanthifolia, Pteridium aquilinum, and Cardiocrinum. These candidates were indicated by the size and geometric form of starch granules.
subject
後期旧石器時代
残存デンプン粒
植物利用
石器
西多羅ヶ迫遺跡
Nishitaragasako site
Plant utilization
Starch residues
Stone tools
Upper Palaeolithic
SelfDOI
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