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Northwest Africa 12322 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12322 This is an OFFICIAL meteorite name. Abbreviation: NWA 12322 Observed fall: No Year found: 2018 Country: Niger Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 602 approved meteorites (plus 1 unapproved name) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 14 Dec 2018 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 107:
Northwest Africa 12322 (NWA 12322) Niger Purchased: 2018 Aug Classification: Carbonaceous chondrite (CV3) History: Found in Niger and purchased in Morocco by Adam Aaronson in August 2018. Petrography: (A. Irving and S. Kuehner, UWS) Well-formed granular and BO chondrules (some composite; apparent diameter 1250 ± 690 µm) and fine grained CAI (some up to 4.5 mm across) are set in a fine grained matrix (~30 vol.%, orange-brown in thin section). Geochemistry: Olivine (Fa0.2-45.3, N = 3), orthopyroxene (Fs0.7-0.9Wo1.1, N = 2), clinopyroxene (Fs2.5Wo36.0; Fs21.4Wo44.1; N = 2). Classification: Carbonaceous chondrite (CV3). Specimens: 42 g including one polished thin section at UWB; remainder with Aaronson. | ||||||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Photos: |
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Geography:![]() |
Statistics: This is 1 of 104 approved meteorites from Niger (plus 5 unapproved names) |