110530 - Image of the Month for June

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110530 - Image of the Month for June

Postby Matt Smith » Mon May 30, 2011 8:03 am

Image
This month our image is of an 82g part-slice of the H5 chondrite El Hammami. Approximately 240kg of the fresh looking stones were found in 1997. Our image appears courtesy of Mike Simms. Click here to view the image in the Gallery.
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Matt Smith
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Re: 110530 - Image of the Month for June

Postby Matt Smith » Thu Jun 02, 2011 8:13 pm

I had reason to get my petrographic scope out, so thought I'd add a few pictures of my El Hammami thin section here. The section is incorrectly ground and is too thin on one edge so the xpol colours are either missing or wrong, but some nice features anyway:

elh1.jpg
Porphyritic olivine chondrule (x100)


elh2.jpg
Barred olivine chondrule (x30)


elh3.jpg
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