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

From: mexicodoug at aim.com <mexicodoug_at_meteoritecentral.com>
Date: Tue, 15 Apr 2008 06:33:06 -0400
Message-ID: <8CA6CFB3A3173BD-146C-150A_at_FWM-D06.sysops.aol.com>

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 06:33:06 AM PDT


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