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Northwest Africa 7829 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7829 This is an OFFICIAL meteorite name. Abbreviation: NWA 7829 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 155 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 77 approved meteorites classified as R3. [show all] Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 8 Nov 2014 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 7829 (NWA 7829) (Northwest Africa) Purchased: 2013 Mar Classification: Rumuruti chondrite (R3) History: Purchased in Ouarzazate, Morocco in March 2013 by M. Aid. Petrography: (A. Irving and S. Kuehner, UWS) Fresh unequilibrated specimen composed of separated, well-formed, medium-sized chondrules in a matrix relatively rich in sulfides and lacking metal. Olivine, orthopyroxene, subcalcic augite, augite, intermediate plagioclase, pentlandite, Ni-bearing troilite and Ni-free troilite. Rare sodalite occurs intergrown with olivine, subcalcic augite and chromite. Geochemistry: Olivine (Fa4.9-40.2), orthopyroxene (Fs5.0-27.0Wo0.5-1.7), subcalcic augite (Fs13.7Wo35.4), augite (Fs10.1Wo45.7). Classification: R3 chondrite. Specimens: A total of 20.1 g of material and one polished thin section are on deposit at UWB. M. Aid holds the main mass. | ||||||||||||||||||||||||||||||
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) 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. 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) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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