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Updated: Jun 17, 2026

Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides
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238U/235U 隕石の変異:現存する247CmとPb-Pb年代測定への影響

G A Brennecka1, S Weyer, M Wadhwa

  • 1School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA. brennecka@asu.edu

Science (New York, N.Y.)
|January 2, 2010
PubMed
まとめ

隕石のウラン同位体比は恒定ではないため,太陽系年齢計算の正確性に問題がある. カルシウム・アルミニウムに富んだインクルージョンの多様性は,年代測定法によって年齢を何百万年も過大評価している可能性があることを示唆している.

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