ベリーズのモホ・ケイのオブシディアンの分析:古典的なマヤ貿易路線に関する新しい証拠
まとめ
ベリーズからのオブシディアン遺物の微量元素分析は,主要な源はイクステペクではなく,グアテマラのエル・チャヤルであったことを示しています. この発見は,古典的なマヤ文明の確立されたモデルに挑戦しています.
科学分野:
- 考古学考古学とは
- 地質化学 地質化学
- メソアメリカン・スタディズ メソアメリカン・スタディズ
背景:
- オブシディアンの遺物は,古代の貿易ネットワークを理解するために不可欠です.
- 以前のモデルでは,Ixtepequeがクラシック・マヤの主要なオブシディアン源であると提案されていた.
研究 の 目的:
- ベリーズ,モホ・ケイのオブシディアン遺物の地質学的起源を特定するために.
- クラシック・マヤ文明の確立したオブシディアン貿易ルートモデルを再評価する.
主な方法:
- 地化学技術を用いたオブシディアン遺物の微量元素分析.
- アーティファクトの化学的シグネチャーを,既知のオブシディアン源の露出物と比較.
主要な成果:
- モホ・ケイのオブシディアン遺物は,主にグアテマラのエル・チャヤル噴出地の地化学プロファイルと一致しています.
- Ixtepequeの源は,これらの遺物の主要な起源ではないので,以前の仮定と矛盾しています.
結論:
- クラシック・マヤの遺跡のオブシディアンの調達は,これまで理解されていたよりも複雑でした.
- エル・チャヤルの露出地は,マヤのオブシディアンの流通ネットワークにおいて重要な役割を果たした.
- マヤの経済と貿易システムの再評価は,新しい調達データに基づいて正当化されています.
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