[meteorite-list] Question: Strange Texture in the Laochenzhen Meteorite (Bernd?)

From: tracy latimer <daistiho_at_meteoritecentral.com>
Date: Tue, 19 Feb 2008 17:44:42 +0000
Message-ID: <BAY115-W340EDDC44EC9A6B5A2A5E7CA220_at_phx.gbl>

I see what you mean; you are not hallucinating the grain change! There is also a slight color difference; could this be a breccia with big chunks, and the orientation change a boundary?

Tracy Latimer

> From: fuzzfoot at comcast.net
> To: meteorite-list at meteoritecentral.com
> Date: Mon, 18 Feb 2008 18:37:12 -0800
> Subject: [meteorite-list] Question: Strange Texture in the Laochenzhen Meteorite (Bernd?)
>
> The Laochenzhen meteorite fell in Henan Province, China on February 23, 1987
> and was classified as an H5. Below you will find a photo of a 4.4 gram part
> slice:
>
> http://img.villagephotos.com/p/2004-11/877141/Laochenzhen-1042,1-SMALL.jpg
>
> Unfortunately there is little published about this fall and I cannot find
> any photos of slices in other collections out there. I noticed an unusual
> textural change in my part slice, which was very difficult to photograph. I
> added red lines to the same photo below to show what I am trying to explain:
>
> http://img.villagephotos.com/p/2004-11/877141/Laochenzhen-1042,1-SMALL-LINES
> .jpg
>
> The texture on the left is almost perpendicular to the one on the right. You
> can see that tiny crevasses are present where the two textures meet. They
> are not saw marks. Is this some sort of melt area? What is this? Bernd? Any
> help would be greatly appreciated.
>
> Kind regards,
>
> Mike Bandli
> www.Astro-Artifacts.com
>
>
>
>
>
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Received on Tue 19 Feb 2008 12:44:42 PM PST