Category Archives: named fall

4x/0.25, achondrite, aubrite, breccia, LMScope, named fall, Nikon D810, polarized, scope2, zerene stacker

Peña Blanca Spring Meteorite Thin Section

Peña Blanca Spring Meteorite Thin Section

Peña Blanca Spring Meteorite Thin Section

On March 1, 2018 Roving Reporter’s pictures of the Peña Blanca Spring meteorite appeared on the Meteorite Picture of the Day website. I was immediately struck by this Aubrite’s sharp gray/white matrix coloration and its numerous inclusions. It is an exquisite meteorite! That weekend I decided that the next meteorite thin section to photograph will be the Peña Blanca Spring Aubrite. Presented here is the result of that decision: a large thin section in cross polarized light displaying the internal structure of this beautiful enstatite achondrite. The story of this meteorite’s discovery makes for good reading, so please enjoy: Story by John T. Lonsdale.

More Information at Meteorite Studies

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4x/0.25, achondrite, LMScope, mars, named fall, Nikon D810, polarized, scope2, zerene stacker

Tissint Meteorite Thin Section

Tissint Meteorite Thin Section

Tissint Meteorite Thin Section

The Tissint Meteorite was the first Martian witnessed fall since 1962. It is also special because the meteorite may contain carbon which has a biogenic origin. Under cross polarized light, thin sections of Tissint are a beautiful rainbow kaleidoscope of color in patterns similar to other Martian shergottites.

Photos of the fragment used to create thin section from Mr. Meteorite:

Video:

Tissint meteorite from London’s Natural History Museum

There are plenty of good research articles on the Tissint meteorite, here are just two:

NanoSIMS analysis of organic carbon from the Tissint Martian meteorite: Evidence for the past existence of subsurface organic-bearing fluids on Mars

The Tissint Martian meteorite as evidence for the largest impact excavation

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4x/0.25, chondrite, named fall, ordinary chondrite, polarized, scope2, Tucsen C30 3MP sCMOS, zerene stacker

Saratov Meteorite Thin Section

Saratov Meteorite Thin Section

Saratov Meteorite Thin Section

Thin sections of the Saratov (Саратов) meteorite in cross polarized light dazzle observers with dozens upon dozens of distinct chondrules. This specimen has numerous almost perfectly circular chondrules and many radial pyroxene chondrules.

Its fall was witnessed on October 6, 1918.

Additional pictures on Meteorite Times.

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