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Northwest Africa 14662 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14662 This is an OFFICIAL meteorite name. Abbreviation: NWA 14662 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 315 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 658 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
Comments: | Approved 12 Feb 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14662 (NWA 14662) (Northwest Africa) Purchased: 2015 Classification: Ureilite History: Purchased by Ziyao Wang in 2015 from a Moroccan dealer at the Hunan Mineral and Gem Show in Chenzhou City, China. Physical characteristics: Extremely hard specimen evidently containing a significant amount of diamond (confirmed by electron microprobe analysis). Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Protogranular aggegate (mean grainsize ~0.6 mm) composed of olivine (~60 vol.%) and pigeonite (~40 vol.%) together with accessory diamond (cathodoluminescent yellow), graphite, V-bearing daubreelite and kamacite. Olivine grains have magnesian reduced rims associated with fine blebby Fe metal. Geochemistry: Olivine (cores Fa14.5-14.9, CaO = 0.26-0.30 wt.%, Cr2O3 = 0.50-0.54 wt.%, N = 4; rims Fa1.6-2.1, N = 5), pigeonite (Fs12.3-13.3Wo4.6-9.2, Al2O3 = 1.6-2.9 wt.%, Cr2O3 = 0.95-1.08 wt.%, TiO2 = 0.16-0.20 wt.%, N = 4). Classification: Ureilite (diamond-rich). Specimens: 21.2 g including one polished thick section at UWB; remainder with WangZ. | ||||||||||||||||||||||||||||||
Data from: MB111 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) WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) WangZ: Ziyao Wang, Hebei GEO University North Campus, Huai An dong road 127, Shijiazhuang, Hebei Province , China (private address; updated 25 Jun 2021) |
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Catalogs: |
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References: | Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Photos: |
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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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