セネガルの初期ホロセンの後石器時代の石英工房と暖炉:ラヴィン・ブランX遺跡 (RBX)
Charlotte Pruvost1, Eric Huysecom1, Aline Garnier2
1Laboratory Archaeology of Africa & Anthropology (ARCAN), Faculty of Sciences, University of Geneva, Geneva, Switzerland.
PloS one
|September 3, 2025
まとめ
セネガルのラヴィン・ブランクX (RBX) 遺跡は,初期のホロセーン期の,希少でよく保存された後期石器時代 (LSA) のクォーツノップワークショップを明らかにしています. この発見は 西アフリカの石器の伝統や 文化的移行について 重要な洞察を与えてくれます
科学分野:
- 考古学
- 史前時代
- リシック分析
背景:
- 西アフリカの石器時代 (LSA) の遺跡は稀で,多様な社会文化的な行動の理解を妨げている.
- フォレメ渓谷には,LSAの年代が限定されており,史前期のシーケンスにギャップが生じています.
- セネガルの東部のラヴィン・ブランクX (RBX) 遺跡は,この時代を研究するための珍しい機会を提供します.
研究 の 目的:
- ラヴィン・ブラン・XのRBX-1セクターの 初期ホロセンの占拠を調査する
- 石英工業を分析し,クォーツノップ技術とブランク標準化に焦点を当てました.
- 西アフリカのLSAの文化的な伝統に対するその意味を理解する.
主な方法:
- RBX-1セクターの発掘で,クォーツのノットワークショップと暖炉が発見された.
- リチウム組立分析は,原材料の選択 (クォーツ) とブランク生産に焦点を当てています.
- 場所の放射性炭素年代測定により,正確な時間的な背景 (約9100 calBP/7100 calBCE) を確立した.
主要な成果:
- クォーツのノップワークショップを備えた保存状態の良い初期ホロセンの層を発見した.
- 特定のクォーツブランクが支配する高度に標準化された石器工業を特定し,リタッチを最小限にします.
- RBX-1は,ファレメ渓谷でLSAが占拠した最新の場所であり,歴史的なギャップを埋めています.
結論:
- RBX-1は,西アフリカのLSA石器の伝統,特にサヘロ-スーダンの特徴に関する重要なデータを提供します.
- Fatandi VとDamatoumou 1との技術的な類似性は,共有された文化的慣行を示唆しています.
- この発見は,この地域のプレイストセーン-ホロセーンシフトにおける文化的移行に関する以前の仮定に異議を唱えている.
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