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Northwest Africa 6930 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 6930 This is an OFFICIAL meteorite name. Abbreviation: NWA 6930 Observed fall: No Year found: 2011 Country: (Northwest Africa) Mass: 151 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 78 approved meteorites classified as H3.8. [show all] Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 6 Sep 2013 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 6930 (NWA 6930) Northwest Africa Purchased: 2011 Jun Classification: Ordinary chondrite (H3.8) Petrography: (A. Irving and S. Kuehner, UWS) Small (to 0.5 mm), well-formed chondrules and fairly abundant slightly stained metal. Matrix is unrecrystalllized and fine-grained. Minerals are olivine, orthopyroxene, subcalcic augite, augite, sodic plagioclase, kamacite, chromite, merrillite and troilite. Geochemistry: Olivine (Fa15.3-28.2; Cr2O3 in ferroan olivine <0.02 wt.%), orthopyroxene (Fs1.9Wo0.7; Fs16.4Wo1.2), subcalcic augite (Fs13.5Wo31.1), augite (Fs4.1Wo42.4). Classification: Ordinary chondrite (H3.8). Subtype estimated to be 3.8 based on undetectable Cr2O3 in ferroan olivine, fine-grained matrix, and narrow range in Fa. | ||||||||||||||||||||||||||||||
Data from: MB102 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) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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