イスラエルのネアンデルタール人/近代初期の人類遺跡の質量スペクトロメトリックUシリーズ日付
F McDermott1, R Grün, C B Stringer
1Department of Earth Sciences, Open University, Milton Keynes, UK.
Nature
|May 20, 1993
まとめ
ネアンデルタール人と初期のホモ・サピエンスが約10万年前にイスラエルで共存し,以前のタイムラインに挑戦しました. 新しい年代測定法は,人間の進化を理解する上で極めて重要なこの重なり合いを確認しています.
科学分野:
- 古人類学は,古人類学である.
- 考古学科学 考古学科学とは
背景:
- ネアンデルタール人と初期のホモ・サピエンスとの関係は,人間の進化における重要な問題である.
- イスラエルにある中古石器時代の遺跡は,両種のヒト類を含んでいるため,極めて重要です.
研究 の 目的:
- ネアンデルタール人と初期のホモ・サピエンスの人類の遺跡をイスラエルにある重要な遺跡から正確に年代付けする.
- これらのホミニン群の間の年代的関係を解明するために.
主な方法:
- 歯の断片に適用された新しい質量スペクトロメトリック230Th/234U年代測定法.
- 新しいデータを既存の電子回転共振 (ESR) 日付と統合する.
主要な成果:
- タブン (ネアンデルタール人) とカフゼ (ホモ・サピエンス) の遺跡から発見された歯の断片は,約100年±5千年前のものである.
- スクール遺跡から採取したヒト類の材料は,以前考えられていたよりも若かった.
- 230Th/234UとESRを組み合わせた年代測定は,放射性炭素年代測定の限界を超えた考古学遺跡に有効であることが証明されています.
結論:
- ネアンデルタール人と初期のホモ・サピエンスは,約10万年前,レバント南部で同時代でした.
- この発見は,ヒトの相互作用と進化を理解する上で重要な意味を持つ.
- 先進的な年代測定技術は,考古学的年代表の信頼性を高めています.
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