[meteorite-list] Recent Article on Dating Meteorites

From: Galactic Stone & Ironworks <meteoritemike_at_meteoritecentral.com>
Date: Tue, 26 Jan 2010 11:12:22 -0500
Message-ID: <e51421551001260812q29aafa42i2a3ebfefda07560c_at_mail.gmail.com>

Hi Paul and List,

I dated a meteorite once.......she didn't call me back.

(*rimshot*)

Seriously though, thanks for the great links Paul. I especially
enjoyed the meteorwrong link yesterday. :)

Best regards,

MikeG


On 1/26/10, Paul H. <oxytropidoceras at cox.net> wrote:
> 1. Age of Solar System Needs to Be Recalculated by Lisa
> Grossman, Science News, January 4, 2010
>
> http://www.usnews.com/science/articles/2010/01/04/age-of-solar-system-needs-a-fresh-look.html
>
> http://www.wired.com/wiredscience/2010/01/solar-system-age/
>
> ?Those differences could mean that current estimates of the age
> of the solar system overshoot that age by 1 million years or more.
> Historical estimates place the age at about 4.5 billion years?a
> number that is not precise enough to show a difference of one
> million?but more finely honed recent calculations place the
> age at more like 4.5672 billion years. One million years is still an
> eyeblink at this scale, representing the difference between 4.566
> and 4.567, but this difference is important in understanding the
> infant solar system.?
>
> 2. Age of the Solar System Possibly Miscalculated: One of the
> equations may not be accurate. by Tudor Vieru, January
> 4, 2010,
>
> http://news.softpedia.com/news/Age-of-the-Solar-System-Possibly-Miscalculated-130995.shtml
>
> 3. Brennecka, G. A., S. Weyer, M. Wadhwa, Janney, J. Zipfel, and
> A. D. Anbar, 2010, 238 U/ 235 U Variations in Meteorites:
> Extant 247 Cm and Implications for Pb-Pb Dating. Science.
> vol. 327, no. 5964, pp. 449 ? 451. DOI: 10.1126/science.1180871
>
> http://www.sciencemag.org/cgi/content/abstract/science.1180871
>
> Yours,
>
> Paul H.
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Received on Tue 26 Jan 2010 11:12:22 AM PST