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Northwest Africa 6340 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 6340 This is an OFFICIAL meteorite name. Abbreviation: NWA 6340 Observed fall: No Year found: 2010 Country: (Northwest Africa) Mass: 164 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 19 Sep 2011 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 100:
Northwest Africa 6340 (NWA 6340) (Northwest Africa) Purchased: 2010 Jun Classification: HED achondrite (Diogenite) Petrography: (A. Irving and S. Kuehner, UWS): Very fresh monomict breccia. No eucritic debris is present. Geochemistry: Composed predominantly of angular diogenitic orthopyroxene grains (Fs23.2-23.5Wo2.3-2.5; FeO/MnO = 31.9-33.1) with minor olivine (Fa29.8-30.2; FeO/MnO = 50.8-54.7), chromite, troilite, and rare polymineralic diogenite clasts. | ||||||||||||||||||||||||||||||
Data from: MB100 Table 1 Line 1351: |
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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) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Photos: |
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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