Re: [meteorite-list] Sutter's Mill Regolith breccia

2012-12-22 Thread Prof. Zelimir Gabelica Université de Haute Alsace ENSCMu,

Hello Frank,

Yes, solar implanted gases were detected and evaluated. This is  
summarized in the main text, p 1585 (see below) and further detailed  
in the supplementary text Materials  Methods where figures S1 to  
S36 can be seen, in particular Fig S27 (20Ne/22Ne versus 21Ne/22Ne  
plots).


Here is part of the related § of the main text:

...SM is a regolith breccia. Like all CM chondrites (26), SM contains  
Ne from solar wind implantation in a surface regolith (fig. S27).
Unlike most other CM chondrites, the brecciated nature of that  
regolith is evident: SM2, 18, 47, 48, 51, and 54 contain angular to  
rounded clasts embedded in a fine-grained comminuted matrix seen  
visually (Fig. 2A), by x-ray and backscattered electron mapping (Fig.  
2B and fig. S13), and by x-ray and neutron computed tomography (figs.  
S28 and S30)...


Kind regards,

Zelimir
--
Prof. Zelimir Gabelica
Université de Haute Alsace
ENSCMu, Lab. LPI-GSEC,
3, Rue A. Werner,
F-68093 Mulhouse Cedex, France
Tel: +33 (0)3 89 33 68 94


Frank Cressy fcre...@prodigy.net a écrit :


The Science abstract refers Sutter's Mill meteorite as being a regolith
breccia.  I've only read the abstract and several other abstracts,  
but I don't

remember any mention of it containing solar implanted gases.  I was under the
impression that to be a regolith breccia, there had to be a noble  
gas content. 

Am I missing something or am I completely wrong.  (It hasn't been the first
time)

Thanks,

Frank
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[meteorite-list] Sutter's Mill Regolith breccia

2012-12-21 Thread Frank Cressy
The Science abstract refers Sutter's Mill meteorite as being a regolith 
breccia.  I've only read the abstract and several other abstracts, but I don't 
remember any mention of it containing solar implanted gases.  I was under the 
impression that to be a regolith breccia, there had to be a noble gas content.  
Am I missing something or am I completely wrong.  (It hasn't been the first 
time)

Thanks,

Frank
__

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Meteorite-list mailing list
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