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Allende CV3 Carbonaceous Chondrite
Allende is a Type III (CV3)
carbonaceous chondrite that fell in Allende, Mexico on February 8, 1969. This
meteorite formed during the solar nebula phase of our solar system 4.56 billion
years ago and contains interstellar grains (remnants of a prior star that lived
out its life and exploded before the formation of our Sun) within
calcium/aluminum-rich inclusions (CAIs). Allende represents some of the oldest
known matter.
To date, over two tonnes
(2,000 kilograms) have been recovered, more than 80% of the total known
carbonaceous chondrite material. Allende is the C-chondrite most commonly found
in collections.
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