Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2009 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : S2-10
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S2: Early differentiation and internal evolution of the Moon
Origin and evolution of lunar crust from plagioclase and carbon
*Yasunori Miura
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Abstract
Origin of lunar crust is explained as magmatic separation of lunar interior based on terrestrial heat-sources with surface activity. Anorthite-rich crust cannot be identified on Martian surface compared with similar the Moon (ca.4.6Ga older), though the oldest terrestrial rocks are changed less than ca.4.0 Ga. Carbon-bearing materials are found to be remained in rocks during impact events observed in Lunar, Martian and terrestrial rocks found in explosion, breccias and meteorites in this study. Due to effects by carbon-bearing materials, magmatic separation in the lunar crust can be explained by fluidal activity of cool carbon dioxides to produce various rocks and volcanic glasses. In short, it is found in this study that lunar crust components with carbon are stored from primordial Earth during giant-impact, and buried carbon dioxides fluid is considered to produce crustal separation and evolution for present lunar crust.
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© 2009 Japan Association of Mineralogical Sciences
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