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| Northwest Africa 2234 | |||||||||||||
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| Basic information | Name: Northwest Africa 2234 This is an OFFICIAL meteorite name. Abbreviation: NWA 2234 Observed fall: No Year found: 2000 Country: Morocco Mass:  422 g | ||||||||||||
| Classification history: |
This is 1 of 649 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||
| Writeup |
Writeup from MB 88:
Northwest Africa 2234 South East Morocco Found 2000 Achondrite (Ureilite) A single 422 g stone was found by an anonymous person. Classification (H. Takeda, Chiba, A. Yamaguchi NIPR): The meteorite is a crystalline ureilite composed of coarse, shocked dusty olivine (cores Fo82-92, rims Fo94-98) and pigeonite (Wo9En74Fs17). Opaque carbonaceous matters occurs in parts of narrow intergranular veins, mostly filled with iron oxides and hydroxides. Shock stage S3, weathering grade W2. Specimens: types specimen 20 g and thin section, NIPR, main mass Fectay. | ||||||||||||
| Data from: MB88 Table 4 Line 161: |
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| Institutions and collections |
NIPR: Antarctic Meteorite Research Center, National Institute of Polar Research, 10-3 Midori-cho, Tachikawa, Tokyo 190-8518, Japan; Website (institutional address; updated 9 Dec 2013) Chiba: Chiba Institute of Technology, Tsudanuma, Narashino, Chiba 275-0016, Japan (institutional address) Fectay: Bruno Fectay and Carine Bidaut, La Memoire de la Terre SARL, 39800 Aumont, France; Website (private address) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Geography:
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Statistics: This is 1 of 62 approved meteorites from Meknès-Tafilalet, Morocco This is 1 of 2012 approved meteorites from Morocco (plus 35 unapproved names) (plus 1 impact crater) | ||||||||||||
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