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Northwest Africa 8055 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8055 This is an OFFICIAL meteorite name. Abbreviation: NWA 8055 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 98 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 336 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 10 Jan 2014 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 8055 (NWA 8055) (Northwest Africa) Purchased: 2013 Sep Classification: Lunar meteorite (feldspathic breccia) History: Purportedly found near Boujdour and purchased in Agadir, Morocco, by Adam Aaronson in September 2013. Physical characteristics: A single stone (98 g) broken into three pieces that fit together. Small white clasts are visible in a dark gray matrix. Petrography: (A. Irving and S. Kuehner, UWS) Breccia consisting of numerous mineral fragments and rare ophitic-textured, basalt clasts in a finer grained matrix. Minerals are anorthite, olivine, unexsolved pigeonite, subcalcic augite, augite, exsolved pigeonite, ilmenite, Ti-rich chromite, troilite, and rare kamacite and barite. Sparse clasts composed of intergrown fayalite+hedenbergite+silica polymorph are present. Geochemistry: Olivine (Fa19.8-38.8, FeO/MnO = 86-105), pigeonite (Fs47.0Wo19.6, FeO/MnO = 59), subcalcic augite (Fs39.9Wo33.2, FeO/MnO = 58), augite (Fs52.0Wo41.9, FeO/MnO = 74). Bulk composition (R. Korotev, WUSL) INAA of subsamples gave (in wt.%) FeO 5.9, Na2O 0.42, and (in ppm) Sc 14.8, La 1.9, Sm 0.98, Eu 0.93, Yb 1.0, Th 0.2. Classification: Lunar (feldspathic fragmental breccia). Specimens: 19.6 g (including a polished end-cut specimen and a polished mount) are at UWB. The remainder is held by Aaronson. | ||||||||||||||||||||||||||||||
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) 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) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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