4x/0.25, calcium-aluminium-rich inclusion, carbonaceous, chondrite, CO, LMScope, named fall, Nikon D810, polarized, scope2, zerene stacker

Moss Meteorite Thin Section

Moss Meteorite Thin Section

Moss Meteorite Thin Section

Of all the classes of meteorites I have photographed, the one with the most out-of-this-world features is the CV class of meteorites. Every time I look at one in thin section I am just stunned at how exotic the material appears. But, in close second I would say is the CO class of meteorites. And the Moss meteorite is a perfect example. The thin section appears to have a wonderful intricate structure, with tiny inclusions and CAIs scattered among a bizarre black matrix. On second thought I may come back to this slide for a panoramic plane visible light image. There is a STRESS (Spatio temporal retinex-like envelope stochastic sampling gray-scale from GIMP) album in the gallery which I think shows many features that are faint and appear blacked-out by the matrix. The STRESS method has been used in astrophotography papers to reveal details hidden to the human eye in typical image files and I think it can be helpful here too.

Moss Information at Meteorite Studies
Nice cross polarized pictures at Meteorite Times

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4x/0.25, carbonaceous, chondrite, CO, LMScope, Nikon D810, northwest africa, polarized, scope2, zerene stacker

NWA 8345 Meteorite Thin Section

NWA 8345 Meteorite Thin Section

NWA 8345 Meteorite Thin Section

Northwest Africa 8345 Meteorite thin section in cross polarized light. Type CO3.2 with some interesting inclusions scattered randomly and also in the bottom left. There are lots of fascinating details when you spend time looking in detail at the structures.

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4x/0.25, achondrite, eucrite, LMScope, Nikon D810, polarized, scope2, zerene stacker

Sayh al Uhaymir 562 Meteorite Thin Section

SaU 562 Meteorite Thin Section

SaU 562 Meteorite Thin Section

SaU 562 is an unbrecciated eucrite with “approximately equal proportions of anhedral to bladed, white plagioclase (to 3 mm) and honey-brown, anhedral, granular pyroxene (to 1.5 mm) crystals.”

Interesting story about this thin section. I originally thought it was an unclassified eucrite; the label reads “Labenne Eucrite” and I was told it was unclassified when the thin section was made around 2009. After some friendly help, I discovered it had been classified as SaU 562. I was surprised to find that it was a eucrite which I had already photographed! However, this previous SaU 562 post was one of my first attempts at making a panorama, so a comparison between the old and the new reveals my progression of tools and technique quite well.

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