日本鉱物学会年会講演要旨集
日本鉱物学会2005年度年会
セッションID: K9-10
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月高地起源の角礫岩Yamato-86032中の普通輝石を含む岩石片の起源について
*山口 亮武田 弘
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キーワード: 月隕石, 高地の岩石, 斜長岩
会議録・要旨集 フリー

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Yamato-86032 is a feldspathic lunar highland meteorite, mainly composed of several types of highland lithologies. The absence of KREEP components suggests that this meteorite is derived from the farside of the Moon. We found that one light-gray feldspathic lithology contains an augite-bearing clast that is different from known highland rocks from the nearside. Coupled with the mineralogical evidence from a magnesian feldspathic lunar meteorite Dhofar 489, we suggest that the lunar farside highland crust may have experienced more variable igneous processes than previously thought.
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© 2005 日本鉱物科学会
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