イン石の年代に関する2,3の問題
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概要
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Isotopic anomalies in meteorite have provided us many subjects to study. One of the most peculiar subjects is the determination of ages. Meteorite ages, have been classified into 4; from the latest one, Terrestrial age, Cosmic-ray exposure age, solidification age and the periods during the evolution of solar system since the finishing of the formation of elements. These ages or periods could be calculated from the results of the determination of isotopic anomalies in meteorites. Meteorite ages explain us the history and the evolution of the meteorites and of the solar system. In this article, are described how to determine such ages, how to make clear such subjects and then what is still remained to study in this field.
- 日本地質学会の論文
- 1969-03-25
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