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Northwest Africa 12792 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12792 This is an OFFICIAL meteorite name. Abbreviation: NWA 12792 Observed fall: No Year found: 2019 Country: Morocco Mass: ![]() | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 32 approved meteorites classified as H5-melt breccia. [show all] Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||
Comments: | Approved 13 Mar 2021 | ||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 110:
Northwest Africa 12792 (NWA 12792) Morocco Purchased: 2019 Classification: Ordinary chondrite (H5, melt breccia) History: (Ziyao Wang) Purchased by Ziyao Wang from Sbai Mohamed at the mineral show in Wuhan in May. 2019 Physical characteristics: (Ziyao Wang) Many irregular red-brown stones, with a total weight of 20 kg. Some fragments show a shrapnel-like shape. Petrography: (R. Bartoschewitz, Bart) few well developed chondrules in a strongly recrystallized matrix, with melt veins and clast-rich melt fragments. Metal and sulfide occur as irregular grains to drop like inclusions, and melt veins. Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa18.5±0.3 (n=14); pyroxene Fs16.2±0.3Wo1.4±0.2 (n=7); mellillite; taenite; troilite. Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 5.48. Classification: Ordinary chondrite (H5-melt breccia) Specimens: 21.4 g on deposit at Kiel, Ziyao Wang holds the main mass, and 165 g with Bart. | ||||||||||||||||||||||||||||||||
Data from: MB110 Table 0 Line 0: |
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Institutions and collections |
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013) Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019) |
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Catalogs: |
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References: | Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Photos: |
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Geography:![]() |
Statistics: This is 1 of 1932 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater) |