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Northwest Africa 8310 | |||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8310 This is an OFFICIAL meteorite name. Abbreviation: NWA 8310 Observed fall: No Year found: 2012 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||
Classification history: |
This is 1 of 2 approved meteorites classified as LL5-7. [show all] Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||
Comments: | Approved 26 Feb 2015 | ||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 8310 (NWA 8310) (Northwest Africa) Purchased: 2012 Jun Classification: Ordinary chondrite (LL5-7) History: Purchased in Brügg, Switzerland, in June 2012 by Marc Jost from a Moroccan dealer. Petrography: (A. Irving and S. Kuehner, UWS) Fragmental breccia consisting of angular clasts of predominantly LL7 material (completely recrystallized) with less amounts of chondrule-bearing type 5 and 6 lithologies. Minerals are olivine, orthopyroxene, subcalcic augite, augite, sodic plagioclase, chromite, troilite, chlorapatite and stained metal (composite grains of low-Ni kamacite and taenite). Geochemistry: Olivine (Fa30.6-31.3, N = 3), orthopyroxene (Fs16.9-24.9Wo1.8-1.9, N = 3), clinopyroxene (Fs9.6-12.1Wo43.2-37.6, N = 2). Classification: Ordinary chondrite (LL5-7) breccia. Specimens: 21.1 g including one polished thin section at UWB. The remaining material is held by Mr. M. Jost. | ||||||||||||||||||||||||
Data from: MB104 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography: |
Statistics: This is 1 of 7552 approved meteorites from (Northwest Africa) (plus 1969 unapproved names) |