[meteorite-list] Livermore Lab Physicist Date Lifetime of Solar Nebula at Two Million Years

From: Darren Garrison <cynapse_at_meteoritecentral.com>
Date: Wed Apr 20 23:17:53 2005
Message-ID: <6t6e61d75o1br0538f8qcn0a6t9l7ii4k2_at_4ax.com>

On Wed, 20 Apr 2005 14:12:22 -0700 (PDT), Ron Baalke <baalke_at_zagami.jpl.nasa.gov> wrote:

>CAIs were formed in an oxygen-rich environment and date to 4.567 billion
>years old, while chondrules were formed in an oxygen setting much like
>that on Earth and date to 4.565 billion, or less, years old.
>

Are the tests really precise enough now that a two-million year age difference in a 4.56x billion
year old sample is concidered accurate? What is the error bar with the testing used?
Received on Wed 20 Apr 2005 11:21:13 PM PDT