[meteorite-list] Still glowing---32 Nevada finds this week!

From: M come Meteorite Meteorites <mcomemeteorite2004_at_meteoritecentral.com>
Date: Sat Dec 17 00:51:47 2005
Message-ID: <20051217055145.17566.qmail_at_web26207.mail.ukl.yahoo.com>

warning, or some persons says you have find some
Pultusk in the site....

Matteo

--- Norm Lehrman <nlehrman_at_nvbell.net> ha scritto:

> List,
>
> I had a meteorite talk to give this past Wednesday
> about the remarkable new meteorite finds in Nevada,
> and I wanted to be able to say "we've already found
> X
> more this week", so Monday I took a newbie out and
> we
> found eleven in about 5 hours. That felt so good we
> went back out today and found 21 more!
>
> This is not a new find, but proof that it's always
> worth going back to the old ones one more time.
>
> The science is even more cool. I have coordinates
> for
> 23 previous finds. Plotted together with ours,
> these
> form a tight strewn field about 0.8 miles long and
> 0.4
> miles wide. The tight scatter suggests a low final
> explosion, and as would then be predicted, most of
> the
> fragments have sharply angular faces and no
> secondary
> fusion crust. A small percentage of the pieces have
> remnants of the primary crust. It is a squeeeky
> clean
> story, and I'll write it up in detail when and if
> the
> previous finders share any additional info there
> might
> be.
>
> As an interesting aside, I was all focused on fusion
> crusts and sensuous rounded shoulders and was
> finding
> nothing. My neophyte buddy was checking every
> pebble
> with a magnet, and predictably, he found the first
> two. I started using the magnet more liberally and
> quickly caught up. Before long, both of us had our
> eye tuned to the beautiful mahogany browns (and
> sharp
> angularity!) and then started really making
> progress.
>
> This story is going to raise another interesting
> issue. The 8 pieces that have been classified from
> this tiny scatter have gotten L6, H4, H5, and H6
> designations. How much variability can you get from
> a
> single fall (when working with <10 gm fragments)?
> This little patch is not likely composed of multiple
> falls. Has this matter been addressed before?
>
> Still glowing,
> Norm
> (http://tektitesource.com)
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M come Meteorite - Matteo Chinellato
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Received on Sat 17 Dec 2005 12:51:45 AM PST