10x/0.25, achondrite, LMScope, Nikon D810, northwest africa, polarized, scope2, zerene stacker

NWA 7835 Meteorite Thin Section

NWA 7835 Meteorite Thin Section

NWA 7835 Meteorite Thin Section

A peculiar ungrouped-achondrite, NWA 7835 contains inclusions which are riddled with what appear to be streams of air bubbles. These streams occur in numerous patterns: parallel, helix, ribbon, single, bifurcating, and enlarging. Look closely, because all of these patterns are visible in this thin section. There are additional pictures of NWA 7835 which zoom in on the microscopic bubbles — taken by John Kashuba and view-able at Meteorite Times.

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10x/0.25, achondrite, LMScope, Nikon D810, northwest africa, polarized, scope2, zerene stacker

NWA 4587 Meteorite Thin Section

NWA 4587 Meteorite Thin Section

NWA 4587 Meteorite Thin Section

The NWA 4587 meteorite makes a colorful polarized thin section. The unique intergranular recrystallized plagioclase texture gives it a spectacular appearance. This is the second example of this meteorite — see here for the first.

NWA 2976 Anomalous Achondrite

NWA 4901 Ungrouped Achondrite

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10x/0.25, LMScope, mars, Nikon D810, northwest africa, polarized, scope2, zerene stacker

NWA 8159 Meteorite Thin Section

NWA 8159 Meteorite Thin Section

NWA 8159 Meteorite Thin Section

To create a good number of thin section slides of NWA 8159, the original oblong fragment was split into two pieces. The previous mosaic of NWA 8159 represents one half of this split. The thin section presented here is the other half.

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