[meteorite-list] Polujamki/Markovka pairing: second try

From: E.P. Grondine <epgrondine_at_meteoritecentral.com>
Date: Sat, 24 Feb 2007 15:49:30 -0800 (PST)
Message-ID: <535056.46634.qm_at_web36907.mail.mud.yahoo.com>

Thaddeus -

Why not go out and try to find some more pieces?

good hunting,
Ed

--- Mr EMan <mstreman53 at yahoo.com> wrote:

> There isn't enough information to reach a
> conclusion.
> The original masses and how they were assembled
> prior
> to fragmentation are missing values and presently
> beyond valid modeling.
>
> However, interesting observation.
>
> Eman
>
>
> --- Thaddeus Besedin <endophasy at yahoo.com> wrote:
>
> >
> > Polujamki and Markovka fell within kilometers of
> > each other and share all macroscopic petrographic
> > features except for two striking differences:
> > Polujamki, in photos I have found and in my
> > specimen, seems to have, almost without exception,
> a
> > much higher frequency of >3mm pools of coalesced
> > Fe-Ni, as well as relatively more extensive shock
> > veining/brecciation. Is this simply an observation
> > made from a specific paired stone that became
> > available recently? Can the amount of elemental
> > metal dissemination in the original meteoroidal
> body
> > have been bimodally segregated due to localized
> > shock, contributing to the differences in
> trajectory
> > of individual fragments of the stone as a result
> of
> > explosive aerial fragmentation?
> >
> > _______Total Iron
> > Content__________________________________
> > Polujamki: 25.69 %
> >
> > http://www.crystalencounters.com.au/poluyamki.html
> > Markovka: 25.48%
> > http://www.minresco.com/meteor/meteor10.htm
> > -Thaddeus
> >
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Received on Sat 24 Feb 2007 06:49:30 PM PST