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Northwest Africa 13497 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13497 This is an OFFICIAL meteorite name. Abbreviation: NWA 13497 Observed fall: No Year found: 2020 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 14 Nov 2020 | ||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 13497 (NWA 13497) (Northwest Africa) Purchased: 2020 Feb Classification: HED achondrite (Eucrite) Petrography: (J. Gattacceca, CERGE) Igneous rock with subophitic texture. Typical grain size ~ 500 (up to 1.5 mm). Main minerals are pyroxene (some exsolved) and plagioclase. Other minerals: chromite, ilmenite, rare metal, troilite. Geochemistry: Pyroxenes: low-Ca pyroxene Fs41.3±0.8Wo4.0±1.3, FeO/MnO = 28.9±2.2 (n=4). Plagioclase An92.7Ab6.9Or0.4 (n=1). Classification: Achondrite (eucrite). | ||||||||||||||||||||||||||
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) |