Ivuna vs Alais
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Ivuna
Ivuna is a CI1 carbonaceous chondrite that fell near Ivuna, Tanzania, in 1938. CI meteorites are rare, chemically primitive materials whose nonvolatile elemental abundances closely resemble those measured in the Sun, although their minerals have been extensively altered by water on their parent body. Ivuna is therefore studied for evidence about early solar-system chemistry, aqueous alteration, or...
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Alais
Alais is a CI1 carbonaceous chondrite that fell near Alais, now called Ales, in southern France in 1806. CI meteorites are chemically primitive, rich in hydrated minerals, and notable for elemental compositions that closely resemble the nonvolatile composition of the Sun, although their original textures have been heavily altered by water. Claims made during the twentieth century that Alais contai...
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