[meteorite-list] Rocks from Space Picture of Day - December 22, 2010

[Count Deiro]

Thank you, Bernd and Happy Holidays!
Guido


-----Original Message-----
>From: bernd.pauli at paulinet.de
>Sent: Dec 22, 2010 3:14 AM
>To: Meteorite-list at meteoritecentral.com
>Subject: [meteorite-list] Rocks from Space Picture of Day - December 22, 2010
>
>Hello Count, Jason, List,
>
>Buchwald V.F. (1975) Handbook of Iron Meteorites, Volume 3, p. 862:
>
>"Primary aggregates of inch-sized taenite crystals, separated by troilite melts,
> are apparently not at all rare but may occur within many groups of iron meteorites.
> Outstanding examples are N'Goureyma, San Christobal, Barranca, Blanca, Waterville,
> Soroti, Santa Catharina, Twin City, and Mundrabilla.
> There are, however, strong indications that these primitive structures mainly occur within
> the anomalous meteorites ... The polycrystalline metal-sulfide mixtures seem to indicate
> that the material was produced by compression and a homogenizing sintering from the
> components and that this initial process was followed by a high temperature grain growth
> process."
>
>Best pre-Xmas wishes
>from Germany,
>
>Bernd
>
>P.S.: Hello Werner and Sandra. This is probably the best "shot"
>of this Mundrabilla mass we've ever had the pleasure to see!
>
>http://www.rocksfromspace.org/December_22_2010.html
>
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