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Northwest Africa 17029 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 17029 This is an OFFICIAL meteorite name. Abbreviation: NWA 17029 Observed fall: No Year found: 2024 Country: (Northwest Africa) Mass: 804 g | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 862 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 13 Sep 2024 | ||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 113:
Northwest Africa 17029 (NWA 17029) (Northwest Africa) Purchased: 2024 Jan Classification: Ordinary chondrite (L3) History: Purchased by Terry Boudreaux in January 2024 from a dealer in Zagora, Morocco. Petrography: (A. Irving, UWS, and J. Boesenberg, BrownU) Well-defined unequilibrated chondrules (apparent diameter 1080 ± 440 µm, N = 26) containing devitrified glass are set in a sparse fine grained matrix containingi kamacite (stained by secondary Fe oxides), taenite, chromite, chlorapatite and troilite. Geochemistry: Olivine (Fa21.0±9.0, range Fa1.0-39.1, N = 30); Cr2O3 in ferroan olivine 0.01-0.64 wt.%, mean 0.10 wt.%, sd 0.18 wt.%, N = 29), low-Ca pyroxene (Fs10.3±6.8Wo1.2±1.4, range Fs2.4-28.6Wo0.2-4.2, N = 22), subcalcic augite (Fs16.8Wo28.5). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.74. Classification: Ordinary chondrite (L3). Specimens: 25.2 g including one polished thin section at UWB; remainder with Boudreaux. | ||||||||||||||||||||||||||||||||
Data from: MB113 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) Boudreaux: Terry Boudreaux, Illinois, United States (private address) BrownU: Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 21 Jul 2024) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 113, in preparation (2024)
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Geography: |
Statistics: This is 1 of 9927 approved meteorites from (Northwest Africa) (plus 1837 unapproved names) |