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Northwest Africa 7189 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7189 This is an OFFICIAL meteorite name. Abbreviation: NWA 7189 Observed fall: No Year found: 2011 Country: (Northwest Africa) Mass: 2.47 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 6493 approved meteorites (plus 2 unapproved names) classified as H4. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 11 Jun 2012 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 100:
Northwest Africa 7189 (NWA 7189) (Northwest Africa) Purchased: 2011 Sep Classification: Ordinary chondrite (H4) History: Purchased by Eric Twelker in 2011 September from a Moroccan dealer at the Denver Mineral Show. Petrography: Small, well-formed chondrules and abundant stained metal. Olivine, orthopyroxene, clinopyroxene, sodic plagioclase, chromite, altered kamacite and troilite. Geochemistry: Olivine (Fa18.6-18.7), orthopyroxene (Fs15.9-16.2Wo0.9-1.1), clinopyroxene (Fs5.6-6.1Wo46.4-46.8) Classification: Ordinary chondrite (H4). | ||||||||||||||||||||||||||||||
Data from: MB100 Table 1 Line 1663: |
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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) Twelker: Eric Twelker, P.O. Box 844, Port Townsend, WA 98368, United States; Website (private address; updated 1 Dec 2014) |
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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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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
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Revision history: |
This lists important revisions made to data for this record.
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