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Northwest Africa 1458 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 1458 This is an OFFICIAL meteorite name. Abbreviation: NWA 1458 Observed fall: No Year found: 2002 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 5996 approved meteorites (plus 2 unapproved names) classified as H4. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 2 Aug 2020 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 1458 (NWA 1458) (Northwest Africa) Purchased: 2002 Classification: Ordinary chondrite (H4) History: Purchased by Adam and Greg Hupe in 2002 from a dealer in Zagora, Morocco. Petrography: (A. Irving, UWS and J. Boesenberg, Brown U) Well-formed, relatively small chondrules are set in a relatively coarse grained matrix containing altered metal, troilite, chromite and apatite. Geochemistry: Olivine (Fa19.6±0.8, range Fa19.3-21.1, N = 5), low-Ca pyroxene (Fs17.3±0.9Wo1.5±0.1, range Fs16.3-17.3Wo1.2-1.6, N = 5). Classification: Ordinary chondrite (H4). Specimens: 20 g at UCLA; 1.7 g including one polished thin section at PSF; remainder with A. & G. Hupe. | ||||||||||||||||||||||||||||||
Data from: MB109 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) UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 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) Hupe: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address) UWA: University of Western Australia, 35 Hackett Drive, Crawley, Western Australia 6009, Australia (institutional address; updated 29 May 2012) BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Photos: |
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Geography: |
Statistics: This is 1 of 7552 approved meteorites from (Northwest Africa) (plus 1969 unapproved names) |