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

Los Angeles 002 Meteorite Thin Section

Los Angeles 002 Meteorite Thin Section

Los Angeles 002 Meteorite Thin Section

Nice looking Shergottite thin section displaying colorful geometric grains and other, completely black ones. The Los Angeles Meteorite is a special meteorite due to its circumstantial discovery. Imagine having a Martian rock sitting in your garage without realizing it! There are probably thousands of unclassified meteorites all over the world right now, sitting in peoples gardens, housetops, and rock collections. And Jon Larsen shows in his book, In Search of Stardust that there are micrometeorites literally everywhere around us.

The Los Angeles Meteorite

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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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