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

2007-02-24 Thread E.P. Grondine
Thaddeus - 

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

good hunting,
Ed

--- Mr EMan [EMAIL PROTECTED] 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 [EMAIL PROTECTED] 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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Re: [meteorite-list] Polujamki/Markovka pairing: second try

2007-01-05 Thread Mr EMan
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 [EMAIL PROTECTED] 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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