[meteorite-list] Patterns in Sikhote-Alin-Social Circle

From: E. L. Jones <jonee_at_meteoritecentral.com>
Date: Thu Apr 22 10:17:49 2004
Message-ID: <3FDF6C92.7060506_at_epix.net>

Just some more meteorite trivia... Some irons (e.g Social Circle, GA
USA) have very distorted patterns suggesting remelting. The current
theory is that this meteorite passed very close to the sun and in doing
so came close to reblending the whole Widmanstatten pattern/ taenite
crystal lattice.

Elton

Lars Pedersen wrote:

> <snip>
>
>If it was heated (as far as I remember above aprox. 700 deg. C. )all the way
>true the meteorite, there would be no Widmanstatten patern.
>
>Yes Sikhote-Alinīs do have a very coarse pattern, in fact the pattern can be
>so wide that a slice looks like it has no pattern at all.
>
>Best wishes
>Lars Pedersen
>
Received on Tue 16 Dec 2003 03:35:30 PM PST