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Calama 082   contributed by Timur Kryachko   MetBul Link


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Thin section.   Diogenite-pm

TKW 2.85 kg. Fall not observed. Found 19 October 2019, Antofagasta, Chile.

 


Timur writes:
We present to you transparent polished thin sections of meteorites found by meteorite hunters of the TimTeam group during expeditions to the stone deserts of the Earth.

This nonmagnetic meteorite, partly in dark-grey fusion crust, was found by Ilya Chaplygin on a limestone plateau not far from Chiu Chiu village in Chile. Several big pieces (843, 486, 350 g) and large number of smaller fragments were collected. Our searches are carried out on foot.

Polymict diogenite is one of the rarest subclasses of achondrites, much rarer than Martian meteorites. It is significant that only one small piece of this type has been found in Antarctica up to now! As for the dozens of NWA meteorites with this classification, it seems that these are fragments of one or more meteor falls recorded under different numbers.

We sell only classified meteorites found by members of our group. The cut surface of this meteorite was ground on glass with 3 micron powder. If desired, the surface can be easily polished.


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