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Northwest Africa 8703 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8703 This is an OFFICIAL meteorite name. Abbreviation: NWA 8703 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 461 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 522 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 28 Dec 2014 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 8703 (NWA 8703) (Northwest Africa) Purchased: 2014 Jul Classification: HED achondrite (Diogenite) History: Purchased by Stefan Ralew in July 2014 from a dealer in Foum El Hisn, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of angular grains of orthopyroxene (up to 5.1 mm, with inclusions of chromite) in a matrix dominated by orthopyroxene with accessory clinopyroxene, chromite, troilite and rare Ni-free metal (stained). Geochemistry: Orthopyroxene (Fs28.4-28.7Wo3.6-3.9, FeO/MnO = 29, N = 3), clinopyroxene (Fs11.3-12.0Wo44.6-42.4, FeO/MnO = 20-24, N = 2). Classification: Diogenite. Specimens: 20.1 g including one polished thin section at UWB; main mass with Ralew. | ||||||||||||||||||||||||||||
Data from: MB103 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) Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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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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