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

NWA 11220 Meteorite Thin Section

NWA 11220 Meteorite Thin Section

NWA 11220 Meteorite Thin Section

What a fascinating meteorite! NWA 11220, just like the previously posted NWA 8171, is a Martian Basaltic Breccia. It shares many of the same characteristics and the clasts have similar appearances. In the thin section posted here, readers can explore some eerily “alien” features which seem unique to this particular class of Martian meteorites. The large inclusion on the left side of the thin section contains fascinating little globular specks. Additional clasts contain shapes and features which pose numerous questions, such as what kind of “natural” processes could have formed them? Enjoy!

Information on Martian Basaltic Breccias at Meteorite Studies.

Information on NWA 11220 and YouTube videos of a CT Scan of the meteorite.

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

NWA 10690 Meteorite Thin Section

NWA 10690 Meteorite Thin Section

NWA 10690 Meteorite Thin Section

This thin section of NWA 10690 gives a unique view of the transformations and processes occurring in ancient times. Within the large grains of similar color can be found smaller grains of various colors, shapes, and sizes which imply internal changes occurring within the source body. Paired with NWA 7030, it belongs to the LL7 class of meteorites, contains sanidine (on Earth found in felsic volcanic rocks like obsidian), and gives the impression of being a fascinating sample from the early solar system. See the links below for further information:

Meteorite Studies – NWA 7030

Nature’s Vault – NWA 7030

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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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