まとめ
鉛イソトープの分析により,古代の銅の源が明らかになった. 青銅時代後期のクレタでは,ギリシャのラウリオン地域が重要な銅の源であり,おそらくキプロスよりも重要な銅の源であった.
科学分野:
- アルケオメタルルジーは,
- 地質化学 地質化学
- 古代 歴史 古代 歴史 古代 歴史 古代 歴史
背景:
- 銅鉱石や人工物の伝統的な化学分析は,古代の銅の源を特定する上で課題に直面しています.
- ミネラロジカル・メタルジカル・コンプレックス性は,以前の調達活動を妨げていた.
- 銅と青銅のマイナー成分である鉛は,融解によって影響を受けない安定した同位体シグネチャーを提供します.
研究 の 目的:
- 古代地中海と近東の文化で使用された銅の産地を特定するために.
- 銅器時代の遺物に対して鉛同位体分析を施し,銅の正確な採掘を図る.
- 銅器時代後期のクレタにおける異なる銅資源の相対的な重要性を調査する.
主な方法:
- 銅鉱石と考古学遺物の比較化学分析.
- 銅と青銅の物体の鉛同位体比率分析.
- 銅の産地を追跡するために同位体データを適用する.
主要な成果:
- 鉛の同位体分析は,銅の源を特定するのに有効であることが示されました.
- 結果は,ギリシアのアティカのラウリオン地域が,クロテの青銅器時代後期における重要な銅の源であることを示しています.
- キプロスは,この期間にクレタ島における銅の供給源として,これまで考えられていたよりも優位ではなかったかもしれない.
結論:
- 鉛の同位体組成は,古代の遺物における銅の起源の信頼できるトレーサーである.
- ラウリオン地域は,銅器時代後期のクレタで銅の主要な供給源でした.
- これらの発見に基づいて,古代の貿易ネットワークと資源利用の再評価は正当化されています.
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