Nr. 88599161

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Plateau du Tademait 012 Meteorit, H5. Forbehold ikke prisen. - 71.97 g
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Plateau du Tademait 012 Meteorit, H5. Forbehold ikke prisen. - 71.97 g

Francesco Moser

Udvalgt af Francesco Moser
Plateau du Tademait 012 28.81794N, 0.92253E Adrar, Algeria Find: 2024 Feb Classification: Ordinary chondrite (H5) History: Reportedly this material was found in February 2024 in Algeria, and later acquired by Mohamed Ali Loud in Nouadhibou, Mauritania. Petrography: (K. Metzler, IfP Equilibrated ordinary chondrite with clearly visible chondrules and chondrule fragments. Secondary feldspar grains are mostly µm. High amounts of Fe-Ni metal, slightly oxidized by terrestrial weathering. Geochemistry: Mineral compositions and geochemistry: Mean olivine composition: Fa18.5±0.2 (Fa18.1-19.0; n=11); mean low-Ca pyroxene composition: Fs16.1±0.3Wo1.1±0.1 (Fs15.6-16.6Wo0.9-1.3; n=11). Classification: H chondrite based on mineral chemistry. Petrologic type 5 due to the equilibrated state of olivine and pyroxene and grain size of secondary plagioclase. Shock stage: C-S2 Weathering grade: W1 Classifier: K. Metzler, IfP. ADDITIONAL INFORMACIÓN: Some pieces showing a crust of iron hydroxides that has “captured” and cemented the contacting quartz grains. This lot comes with certificate of authenticity. Thanks for your interest.

Nr. 88599161

Solgt
Plateau du Tademait 012 Meteorit, H5. Forbehold ikke prisen. - 71.97 g

Plateau du Tademait 012 Meteorit, H5. Forbehold ikke prisen. - 71.97 g

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Plateau du Tademait 012 28.81794N, 0.92253E
Adrar, Algeria
Find: 2024 Feb
Classification: Ordinary chondrite (H5)

History: Reportedly this material was found in February 2024 in Algeria, and later acquired by Mohamed Ali Loud in Nouadhibou, Mauritania.

Petrography: (K. Metzler, IfP Equilibrated ordinary chondrite with clearly visible chondrules and chondrule fragments. Secondary feldspar grains are mostly µm. High amounts of Fe-Ni metal, slightly oxidized by terrestrial weathering.

Geochemistry: Mineral compositions and geochemistry: Mean olivine composition: Fa18.5±0.2 (Fa18.1-19.0; n=11); mean low-Ca pyroxene composition: Fs16.1±0.3Wo1.1±0.1 (Fs15.6-16.6Wo0.9-1.3; n=11).

Classification: H chondrite based on mineral chemistry. Petrologic type 5 due to the equilibrated state of olivine and pyroxene and grain size of secondary plagioclase.

Shock stage: C-S2
Weathering grade: W1
Classifier: K. Metzler, IfP.

ADDITIONAL INFORMACIÓN: Some pieces showing a crust of iron hydroxides that has “captured” and cemented the contacting quartz grains.
This lot comes with certificate of authenticity.
Thanks for your interest.

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