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Allende meteorite: Quick Facts

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Also Known As Allende carbonaceous chondrite

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Piece of the Allende meteorite, a carbonaceous chondrite, which fell as a shower of numerous fragments in Mexico in 1969. The large light spots are calcium- and aluminum-rich refractory inclusions; many rounded chondrules also are present. The inclusions and chondrules, which formed at high temperatures, are embedded in a dark gray matrix containing fine-grained minerals that formed at much lower temperatures.
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