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| Northwest Africa 13947 | |||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 13947 This is an OFFICIAL meteorite name. Abbreviation: NWA 13947 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass:  310 g | ||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 660 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
| Comments: | Approved 6 May 2021 | ||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Northwest Africa 13947 (NWA 13947) (Northwest Africa) Purchased: January, 2021 Classification: Ureilite History: The meteorite was purchased from a meteorite dealer in Nouadhibou, Mauritania in January, 2021. Physical characteristics: Brownish rock without fusion crust. Petrography: The meteorite shows a poikilitic texture consisting of large up to 2.5 mm sized orthopyroxene crystals enclosing rounded olivine grains. Olivine displays characteristic reduced rims where in contact with FeNi-metal or flaky graphite. Some cracks are filled with secondary calcite. Geochemistry: reduced rims in olivine: Fa4.8-7.3; olivine contains 0.50±0.02 wt% Cr2O3 and 0.26±0.01 wt% CaO; pigeonite contains 1.30±0.04 wt% Cr2O3 and 1.57±0.05 wt% Al2O3 Classification: ureilite (olivine? orthopyroxene type) | ||||||||||||||||||||||||||||||
| Data from: MB110 Table 0 Line 0: |
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| Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
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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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| Geography: |
Statistics: This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
| Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
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| Revision history: |
This lists important revisions made to data for this record.
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