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Allende   contributed by John Mixter, IMCA 5107   MetBul Link

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9.04 grams.   CV3

TKW 2 tons. Observed fall 8 February 1969, at the village of Pueblito de Allende, Chihuahua, Mexico.


John writes:
(S1 / W0)

Often described as “the most studied meteorite in history,” the Allende meteorite was a witnessed fall that fell in the Mexican state of Chihuahua in 1969. At that time, there were few other carbonaceous chondrite meteorites found in the world, which resulted in Allende being intensely studied.

The Allende’s mineralogy, textures, chemistry and strange isotopic composition contains evidence of stardust, known as presolar or interstellar grains. These grains are so different from anything known that they cannot inherently be part of our solar system. Allende contains many types of presolar grains, including fine-grained microscopic diamonds, which are believed to be the last remnants of an exploding supernova from far beyond the confines of our solar system. This Allende example is very fresh with no oxidation and displays one large and several smaller CAIs and a colorful assortment of chondrules.
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Photo 1

Found at the arrow (green or red) on the map below

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Anne Black

This Month

 6/23/2020 6:36:46 PM
It is very nice to read your site, thank you very much for your work, it's great!
John Divelbiss
 6/23/2020 4:09:47 PM
that is a lot of meteorite in one slice...NICE!!!
Jim Strope
 6/23/2020 11:02:04 AM
Beautiful slice.

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