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Northwest Africa 13146 | |||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13146 This is an OFFICIAL meteorite name. Abbreviation: NWA 13146 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||
Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||
Comments: | Approved 17 Feb 2020 | ||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 13146 (NWA 13146) (Northwest Africa) Purchased: 2019 Sep Classification: HED achondrite (Eucrite) Physical characteristics: Single stone, about 60% covered by fusion crust with flowlines. Petrography: (J. Gattacceca, CEREGE) Fragmental breccia with lithic clasts (ophitic texture) set in a clastic matrix. Main minerals are Ca-pyroxene and plagioclase. Other minerals include ilmenite, troilite, metal. Geochemistry: Ca-pyroxene Fs57.8±3.4Wo14.3±4.5, FeO/MnO=32.0±1.5 (n=5). Plagioclase An88.4Ab11.1Or0.5 (n=2). Specimens: Type specimen at CEREGE, main mass with Kuntz | ||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections |
CEREGE: CEREGE
BP 80
Avenue Philibert, Technopole de l'Arbois
13545 Aix-en-Provence Cedex 4
France, France (institutional address; updated 29 Oct 2018) Kuntz: Fabien Kuntz, France; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Photos: |
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |