[meteorite-list] Allende inclusion mystery

From: Fred Caillou Noir <fred_at_meteoritecentral.com>
Date: Wed Oct 18 05:13:09 2006
Message-ID: <004e01c6f295$91a004b0$0400a8c0_at_IBM>

Hi Dave and All,

Should you talk about the long 'inclusion' in the ~ center of the crossed section (from top almost down to bottom), to me it looks like a clast... Strange shape for a clast I admit as they usually are angular and this one is not really. But as it contains chondrules I think it is.
A more scientific opinion should be necessary to have a better idea of what it is as I have not seen anything like that before in Allende as well.
Just my 2 cents,

Frederic

----- Original Message -----
From: "Dave Harris" <entropydave_at_ntlworld.com>
To: "metlist" <meteorite-list_at_meteoritecentral.com>
Sent: Tuesday, October 17, 2006 10:45 PM
Subject: [meteorite-list] Allende inclusion mystery


> Hi folks,
>
> Pictured at http://homepage.ntlworld.com/entropydave/inclusion.jpg
> is a slice of Allende weighing in a 5g - (ie FOV about 2-3cms across)
>
> Can anyone shed any light onto the odd inclusion? melt pocket? petrology? or
> whatever..... it's bugging me as I haven't seen this type of inclusion in
> any of my Allende bits and pieces around the house!
>
> thanks!
>
> dave
> IMCA #0092
> Sec. BIMS
> www.bimsociety.org
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Received on Wed 18 Oct 2006 05:12:41 AM PDT