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Northwest Africa 12625 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12625 This is an OFFICIAL meteorite name. Abbreviation: NWA 12625 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 6.52 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 840 approved meteorites (plus 2 unapproved names) classified as L3. [show all] Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 11 May 2019 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 108:
Northwest Africa 12625 (NWA 12625) (Northwest Africa) Purchased: 2018 Sep Classification: Ordinary chondrite (L3) History: Purchased by Bob Falls in September 2018 from a Moroccan dealer at the Denver Show. Petrography: (A. Irving and S. Kuehner, UWS) Very closely packed, well-formed chondrules (apparent diameter 730±260 µm, N = 22) are set in a sparse matrix containing minor stained metal. Geochemistry: Olivine, Fa27.0±11.5 (Fa1.3-33.4), Cr2O3 in ferroan examples 0.04-0.08 wt.%, mean 0.06±0.1 wt.%, N = 7; orthopyroxene, Fs5.6±6.4Wo0.7±0.3 (Fs1.7-13.0Wo1.0-0.4), N = 3; subcalcic augite, Fs20.2±3.5Wo28.8±2.5 (Fs17.7-22.6Wo30.5-27.0), N = 2. Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.65. Classification: Ordinary chondrite (L3). Specimens: 43.5 g including one polished thin section at UWB; remainder with Mr. R. Falls. | ||||||||||||||||||||||||||||||
Data from: MB108 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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