関連する実験動画
Updated: Jul 12, 2026

11:32
High Pressure Single Crystal Diffraction at PX^2
Published on: January 16, 2017
まとめ
鉄・マグネシウム・オルトピロキセンにおける秩序-乱乱の移行は,480-1000°Cの間で急速に発生する. これらの鉱物移行を研究すると,火山岩の冷却速度,特に600~480°Cの間の冷却速度が明らかになる.
科学分野:
- ミネラロジーは,鉱物学です.
- 地質化学 地質化学
- 熱力学は熱力学である.
背景:
- オーソピロキセンは, (Fe, Mg) SiO3の組成を推定する鉱物で,鉄やマグネシウムを含む秩序-乱雑の移行を示します.
- これらの移行は,地質学的材料の熱史を理解するために不可欠です.
研究 の 目的:
- オーソピロキセンの秩序-乱雑の移行の運動学を調査する.
- 鉄鉄のサイト占有率と火山岩の冷却速度との関係を決定する.
主な方法:
- オーソピロキセンの秩序付けと乱すプロセスの実験的研究.
- 急速に冷却された火山の標本におけるメタステーブル・フェローズ・アイアン・サイト占有率の分析.
主要な成果:
- オーソピロキセンの秩序-乱乱の移行は,約480°Cから1000°Cの温度範囲内で急速に発生します.
- 火山岩からのオルトピロキセンの変形性鉄のサイト占有率は,それらの冷却速度と直接関係しています.
結論:
- 鉄鉄の敷地占有率の実験的決定は,火山岩の冷却速度を推定するための信頼できる方法を提供します.
- この方法は,メタステーブル状態の保存のための重要な範囲である600°Cから480°Cの間の冷却を制限するために特に効果的です.
さらに関連する動画
08:55Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
11:50Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
Published on: June 13, 2015
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