関連する実験動画
Updated: Jul 12, 2026

05:52
Deployment and Retrieval of Mineral Samplers
Published on: January 20, 2026
まとめ
トレースエレメントの分析により,アリゾナ州スネックタウンで発見されたターコイズ色の人工物は,カリフォルニアのヒマラヤ鉱山に由来していることが明らかになった. この発見は,史前南西部の交換パターンを理解するのに役立ちます.
科学分野:
- 地質化学 地質化学
- 考古学考古学とは
- マテリアルサイエンス 材料科学
背景:
- ターコイズ・アーティファクトは,アメリカ南西部の史前貿易ネットワークを理解する上で極めて重要です.
- ターコイズの地質学的源を特定することで,古代の経済・社会システムへの洞察が得られます.
研究 の 目的:
- スネックタウン遺跡で発見されたターコイズ製の遺物の地質学的起源を決定するために.
- 考古学的なターコイズと特定の採掘場所との相関を確立する方法を確立する.
主な方法:
- 微量元素分析は,米国南西部の24の鉱山から採取したターコイズサンプルで実施されました.
- アーティファクトターコイズと鉱山ターコイズとの元素組成の比較分析が行われました.
主要な成果:
- アリゾナ州スネックタウン (Snaketown) のターコイズ製の遺物は,地化学的に,カリフォルニア州ハローロン・スプリングスの近くのヒマラヤ鉱山と一致していた.
- この研究は,考古学的なターコイズと特定の地質学的源との相関を成功裏に関連付けました.
結論:
- ヒマラヤ山脈の鉱山は,スネックタウン文化によって使用されたターコイズ源として特定されています.
- ターコイズの微量元素分析は,南西部の史前時代の交換パターンを再構築するための信頼できる方法である.
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09:31Preparation of Authigenic Pyrite from Methane-bearing Sediments for In Situ Sulfur Isotope Analysis Using SIMS
Published on: August 31, 2017
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