[meteorite-list] Fusion crust on irons?

[Gary Fujihara]

Aloha Rob,

Thank you for those great links, and I like your pictures of your Sikhotes.  Svend's website is a great resource for information, and his article on fusion crusts are no exception. 

I have a couple of irons that exhibit fresh blue-gray fusion crust.  Here is an NWA 854 Ziz iron of 255.1g that can be seen here: https://www.facebook.com/media/set/?set=a.1971905062670.2120065.1394318075&l=874c7854a2

The best picture where the fusion crust can be readily seen is on this picture where portions of the crust have mechanically worn off: https://www.facebook.com/photo.php?fbid=1971905422679&set=a.1971905062670.2120065.1394318075&type=1&theater

Here is a 203g Sikhote Alin, where you can see the fusion crust has flaked off the surface in areas: https://www.facebook.com/media/set/?set=a.1699104082816.2098583.1394318075&l=f4318b09bb

Finally here is a 264g spaceship Sikhote with pristine fusion crust over its entire surface:
https://www.facebook.com/media/set/?set=a.1715927063380.2099696.1394318075&l=c9d8f5b787

I have others, but its sometimes very difficult to capture well photographically (although easy to see in hand with your eyes).  Hope this helps.

gary

On May 23, 2011, at 7:05 AM, Rob Lenssen wrote:

> Hi Melanie,
> 
> I made a webpage (including macro and microscope photos) to answer this
> question some time ago:
> http://www.asteroidchippings.com/Special_topics/Sikhote_Alin_Crust.html
> 
> Furthermore Svend Buhl has some great webpages about crusts in general, that
> are more than worth a visit:
> http://www.niger-meteorite-recon.de/en/Meteorite_fusion_crust_1.htm
> 
> All the best,
> Rob Lenssen
> 
> 
> -----Oorspronkelijk bericht-----
> Van: meteorite-list-bounces at meteoritecentral.com
> [mailto:meteorite-list-bounces at meteoritecentral.com] Namens Melanie Matthews
> Verzonden: maandag 23 mei 2011 12:02
> Aan: Meteorite List
> Onderwerp: [meteorite-list] Fusion crust on irons?
> 
> Good morning list,
> Do freshly fallen irons and stony-irons, have any kind of crust on them? if
> they do, what does the crust typically look like on these meteorites? 
> 
> I can recall seeing charred iron before... 
> 
> -----------
> -Melanie "MetMel" - avid meteorite collector/enthusiast from Canada! 
> IMCA#:  2975
> eBay: metmel2775
> 
> I eat, sleep and breath meteorites 24/7.
> 
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Gary Fujihara
Big Kahuna Meteorites (IMCA#1693)
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