[meteorite-list] Shield-shaped meteorites

[jbaxter112 at pol.net]

Hello Berndt and list,

Those list members who are interested in this topic and have not seen the
47.4 kg Cabin Creek, Arkansas iron meteorite in the Vienna Museum of
Natural History should check it out at the museum's web site.  It does not
compare in size to the amazing Sikhote-Alin mass but its beauty and
symmetry are remarkable.  For those who own Dr. Norton's Cambridge
Encyclopedia of Meteorites there are beautiful frontal and oblique
photographs of this meteorite on page 53.  This is one I would definitely
love to see in person one day.

Best wishes,
Jim Baxter
> Peter Sch. wrote:
>
>> I am studying shield shaped iron meteorites. I was wondering
>> what meteorite my fellow list members think is the best shield?
>
> One of the best if not the very best of the shield-shaped meteorites is
> the 1745 kg Sikhote-Alin mass. According to Buchwald, it measures about
> 1.2 x 1.0 x 0.5 m and is beautifully regmaglypted. Some regmaglypts or
> thumbprints are 4-8 cm in diameter and radiate away from the apex of the
> shield-shaped cone. Along the edges, these thumbprints form conspicuous
> elongated grooves parallel to the direction of flight of the shield
> through the atmosphere. There is also a fissure, 20-40 cm deep, that
> extends from the apex and almost divides the mass into two halves.
>
>
> Best regards,
> Good night,
>
> Bernd
>
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