Ivuna vs Allende
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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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Allende
Fragments of the Allende meteorite fell across Chihuahua, Mexico, in February 1969, providing scientists with a substantial supply of material for study. Classified as a CV3 carbonaceous chondrite, it preserves components from the early Solar System. Among them are calcium-aluminum-rich inclusions, heat-resistant mineral assemblages that formed very early and are among the oldest dated solid mater...
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