4x/0.25, calcium-aluminium-rich inclusion, carbonaceous, chondrite, LMScope, Nikon D810, northwest africa, polarized, scope2, zerene stacker

NWA 2364 Meteorite Thin Section

NWA 2364 Meteorite Thin Section

NWA 2364 Meteorite Thin Section

Thin section of NWA 2364. The matrix is very dark, an attribute of its carbonaceous composition. It contains some nice CAIs and chondrules. Readers should recall that some of this meteorite’s CAIs are the oldest dated matter in the solar system. Check out the links below to see the overlay of this thin section with the surface photos of the same fragment for awesome before and after comparisons.

Link to manually change the transparency of the thin section overlaid on the surface

YouTube video of a slideshow showing the transparency overlay

GIMP file allowing users to change the transparency overlay

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4x/0.25, calcium-aluminium-rich inclusion, carbonaceous, chondrite, LMScope, Nikon D810, northwest africa, polarized, scope2, surface, zerene stacker

NWA 2364 Meteorite Surface

NWA 2364 Meteorite Surface - Side A

NWA 2364 Meteorite Surface – Side A

NWA 2364 Meteorite Surface - Side B

NWA 2364 Meteorite Surface – Side B

The NWA 2364 meteorite contains the oldest known calcium-aluminum-rich inclusions in the Solar System. In other words, there is no “pristine” surviving matter within the sphere of human knowledge which is older than inclusions in this meteorite. Future discoveries may yield even more ancient material, however, until that occurs this remains #1.

The details are blurred due to two factors. The first being the low quality of my reflected light microscope and its optics. The second is due to the long ten second exposure I was required to perform to capture enough light for the images — this resulted in blurring due vibrations from my environment.

NWA 2364 Meteorite Information at Arizona Skies.

Side A

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Side B

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4x/0.25, calcium-aluminium-rich inclusion, carbonaceous, chondrite, LMScope, Nikon D810, northwest africa, polarized, scope2, zerene stacker

NWA 5028 Meteorite Thin Section

NWA 5028 Meteorite Thin Section

NWA 5028 Meteorite Thin Section

The NWA 5028 meteorite makes a stunningly beautiful thin section mosaic. With its large calcium-aluminum-rich inclusions and numerous chondrules, viewers are taken to an alien terrain billions of years old – to a time when the first objects were forming in the Solar System. Additional information at Meteorites Australia.

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