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

E.P. Grondine epgrondine at yahoo.com
Sat Feb 24 18:49:30 EST 2007


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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