月の岩12013からの粉の化学組成と,ジャワのテクタイトと岩石の比較
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Updated: Jul 12, 2026

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Scattering And Absorption of Light in Planetary Regoliths
Published on: July 1, 2019
まとめ
インストゥルメンタルニュートロン活性化分析により,アポロ12013号の岩石断片と粉は,類似の主要な元素の豊富さにもかかわらず,Java tektiteガラスと化学的に似ていないことが明らかになりました. ソーダストは,正確な元素組成分析のために汚染補正を必要とします.
科学分野:
- 地質化学 地質化学
- 惑星科学は惑星科学である.
- アナリティカル・ケミストリー (Analytical Chemistry) とは
背景:
- 月の岩石とテクタイトの元素の組成を理解することは,地質学的プロセスと起源を解読するために不可欠です.
- アポロ12013号の岩石断片とジャワ・テクトイト (J2) の以前の分析は,それらの化学組成に関する初期データを提供した.
研究 の 目的:
- アポロ12013号の岩の断片とジャワのテクタイトにおける主要元素,次要元素および微量元素の豊富さを決定する.
- 月石12013とテクトイトJ2.2の化学的類似性を比較する.
- 元素組成分析のための代表的なサンプルとして岩石のソーダストの信頼性を評価する.
主な方法:
- インストゥルメンタルニュートロン活性化分析 (INAA) を用いて元素の豊富さを定量化しました.
- アポロ12013号の2つの岩断片,岩12013,17号のソーダストのサンプル,およびJava tektite J2.2の分析が行われました.
- ソーダストのサンプルを,ソーワイヤの汚染の修正と無修正で分析した.
主要な成果:
- テクトイトJ2と岩石12013は,類似した主要な元素の豊富さを共有していますが,小元素と微量元素のプロフィールは大きく異なります.
- 岩石12013の分析された断片やソーダストは,テクタイトJ2.の化学的類似性を示しませんでした.
- 修正された粉分析により,複雑なクラスティック岩の精密な平均元素組成が得られる.
結論:
- アポロ12013号の月面岩の断片とジャワのテクタイトJ2は,化学的に,特に小元素や微量元素で異なっている.
- ロックソーダストは,ソーイングによる汚染を考慮した後,全岩組成の信頼性の高いプロキシである可能性があります.
- この研究は,正確な材料の特徴と比較のための詳細な元素解析の重要性を強調しています.
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