[meteorite-list] what is the most primitve meteorite? or do we even know?

From: Walter Branch <waltbranch_at_meteoritecentral.com>
Date: Tue, 15 Apr 2008 06:42:56 -0400
Message-ID: <004701c89ee5$77a48830$6101a8c0_at_BranchFamily>

Hi Doug,

What about Tagish Lake?

-Walter Branch
________________________
----- Original Message -----
From: <mexicodoug at aim.com>
To: <delraygoddess at yahoo.com>; <meteorite-list at meteoritecentral.com>
Sent: Tuesday, April 15, 2008 6:33 AM
Subject: Re: [meteorite-list] what is the most primitve meteorite? or do we
even know?


> Hi L.A., Listees,
>
> Just the white powdery "CAI" material which represents a small fraction of
> Allende is the old snuff ...
>
> There are probably other carbonaceous chondrites of types similar to the
> "age" of Allende from the recent vast harvest of the deserts ... but I
> think scientists have a hard time splitting the hairs of the first couple
> of million years when they are just dealing with excess concretes that
> never were cleaned during the construction of this whole cool neighborhood
> of the Sun we live in.
>
> Bjurbole is a standard and older than the hills of the Solar Sytem, as
> well ... at least a standard to judge others: the oldies must all be
> aroound 4,566,500,000 years old. or maybe a million more.
>
> Telling the age of a meteorite is kind of challenging since they are
> heterogenious. For example, a person is born and grows based on an
> initial splitting of some strands of DNA. But if someone analyzed the
> ends of your hair, the might find you older than all the men on the list
> except Bob Haag and Ken (?), and Michael C. So how many inclusions
> floating out there in places no one expects, I couldn't guess ... that are
> older than old.
>
> Then, several listmembers may be older and know better,
>
> Best wishes and nice to see you posting,
> Doug
>
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: Leigh Anne DelRay <delraygoddess at yahoo.com>
> To: meteorite-list at meteoritecentral.com
> Sent: Tue, 15 Apr 2008 2:22 am
> Subject: [meteorite-list] what is the most primitve meteorite? or do we
> even know?
>
>
>
> Dear Listees~
>
> I was wondering if anyone knows what the oldest (as in
> most primitive) meteorite is? I was thinking it was
> Allende, b/c it is believed to be of extra-solar
> origin, but is there another one that is more
> primitive than that? Is there one that is older than
> our own solar system?
> Thanks for letting me pick your brains.
> ~L.A. DelRay
>
>
>
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Received on Tue 15 Apr 2008 06:42:56 AM PDT