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Northwest Africa 7779 | |||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7779 This is an OFFICIAL meteorite name. Abbreviation: NWA 7779 Observed fall: No Year found: 2012 Country: Morocco Mass: 49.3 g | ||||||||||||||||||||||||
Classification history: |
This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||
Comments: | Approved 27 Apr 2013 | ||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7779 (NWA 7779) Morocco Purchased: 2012 Classification: HED achondrite (Eucrite) History: Purchased by Sean Tutorow from a Moroccan meteorite dealer in 2012 Physical characteristics: Single stone, with fresh black fusion crust, sawn surface reveals fresh, light-gray to tan colored, fine-grained texture. Petrography: (C. Agee, UNM): Microprobe examination of a polished mount shows a pyroxene-plagioclase protogranular texture, pyroxenes have exsolution lamellae. Accessory silica, chromite, and troilite. Geochemistry: (C. Agee and L. Burkemper, UNM): Low Ca-pyroxene Fs59.0±1.7Wo3.7±1.7, Fe/Mn=31±1 n=22, augite Fs25.9±3.3Wo42.8±1.6, Fe/Mn=31±2, n=10, plagioclase Or0.6±0.1Ab10.7±0.3An88.6±0.3, n=5. Classification: Achondrite (eucrite). Equilibrated main group eucrite. Specimens: 10 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass. | ||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
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Institutions and collections |
UNM: Institute of Meteoritics
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126
USA, United States; Website (institutional address; updated 12 Feb 2015) |
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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 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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