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Northwest Africa 13562 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13562 This is an OFFICIAL meteorite name. Abbreviation: NWA 13562 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 89 approved meteorites classified as Lodranite. [show all] Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 28 Nov 2020 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 13562 (NWA 13562) (Northwest Africa) Purchased: 2020 Classification: Primitive achondrite (Lodranite) History: The meteorite was purchased from a dealer in Morocco. Physical characteristics: Light-brownish fragment with minor fusion crust. Petrography: The meteorite shows a coarse-grained granular texture predominantly composed of up to 4 mm sized magnesian olivine and low-Ca pyroxene grains. Some regions are brecciated. More minor phases include Ca-pyroxene, chromite, kamacite, and FeS. Ca-pyroxene is mostly presents as fine exsolution lamellae in low-Ca pyroxene. No feldspar was found in the section studied. Geochemistry: olivine: Fa10.7±0.2 (FeO/MnO=32±3, n=10); low-Ca pyroxene: Fs10.7±0.4Wo2.4±0.3, (FeO/MnO=21±2, n=10); Ca-pyroxene: Fs3.7±0.1Wo45.6±0.4, (FeO/MnO=12±1, n=14) | ||||||||||||||||||||||||||||||
Data from: MB109 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 Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |