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Northwest Africa 12212 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12212 This is an OFFICIAL meteorite name. Abbreviation: NWA 12212 Observed fall: No Year found: 2005 Country: (Northwest Africa) Mass: 7.5 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 270 approved meteorites classified as Mesosiderite. [show all] Search for other: Mesosiderites, Metal-rich meteorites | ||||||||||||||||||||||||||||
Comments: | Approved 12 Nov 2018 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 12212 (NWA 12212) (Northwest Africa) Purchased: 2005 Classification: Mesosiderite History: Purchased by an anonymous collector from a dealer at the Munich Show in 2005, subsequently acquired by the Hollis Collection and donated to the Planetary Studies Foundation. Petrography: (A. Irving and S. Kuehner, UWS) Aggregate of predominantly kamacite (containing wispy regions of taenite), low-Ca pyroxene and anorthite together with accessory Mg-merrillite, schreibersite and minor troilite. Geochemistry: Low-Ca pyroxene (Fs32.7-32.9Wo4.2-5.1, FeO/MnO = 21-28, N = 3), anorthite (An90.8-94.4Or0.9-0.8, N = 2). Classification: Mesosiderite. Specimens: The entire specimen polished on one side is at PSF. | ||||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Institutions and collections |
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011) UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 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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