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Northwest Africa 7719 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7719 This is an OFFICIAL meteorite name. Abbreviation: NWA 7719 Observed fall: No Year found: 2012 Country: (Northwest Africa) Mass: 53 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 1 Jul 2014 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 7719 (NWA 7719) (Northwest Africa) Purchased: 2012 Dec Classification: Carbonaceous chondrite (CV3) History: Purchased in Temara, Morocco by Adam Aaronson in August 2012. Petrography: (A. Irving and S. Kuehner, UWS) Separated, chondrules (from 0.3 to 1.5 mm) and small, fine-grained CAIs in a light-brown, fine-grained ferroan matrix. Olivine, orthopyroxene, clinopyroxene are present but no metal was found. Fragments of CAI consist separately of hibonite, spinel, and andradite rimmed by clinopyroxene. Geochemistry: Olivine (Fa0.4-56.8; Cr2O3 in ferroan olivine = 0.09-0.33 wt.%, mean = 0.16 wt.%, sd = 0.09 wt.%, N = 9), orthopyroxene (Fs1.2-2.6Wo0.8-0.4), clinopyroxene (Fs0.6-0.8Wo44.6-41.7). Classification: Carbonaceous chondrite (CV3). Specimens: A total of 20.3 g of material and one polished thin section are on deposit at UWB. Aaronson 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) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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