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Northwest Africa 7330 | |||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7330 This is an OFFICIAL meteorite name. Abbreviation: NWA 7330 Observed fall: No Year found: 2012 Country: Morocco Mass: 111.1 g | ||||||||||||||||||||||||
Classification history: |
This is 1 of 54 approved meteorites classified as Eucrite-cm. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||
Comments: | Approved 23 Jul 2012 | ||||||||||||||||||||||||
Writeup |
Writeup from MB 101:
Northwest Africa 7330 (NWA 7330) Morocco Purchased: 2012 Mar Classification: HED achondrite (Eucrite, cumulate) History: Purchased by Sean Tutorow in Morocco, March 2012. Physical characteristics: Two individual stones, dark weathered fusion crust, saw cut reveals fresh, fine-grained texture, with small (<1 mm) phenocrysts set in a light tan-colored groundmass. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a pyroxene-plagioclase protogranular texture, some pyroxenes >1 mm. Accessory silica, chromite, troilite, and low-Ni iron metal, some of the metal is oxidized. Geochemistry: (C. Agee and L. Burkemper, UNM) EMPA. Low Ca-pyroxene Fs39.3±2.4Wo3.7±0.2, Fe/Mn=31±1, n=34; augite Fs20.7±0.3Wo41.3±0.3, Fe/Mn=26±1, n=6; plagioclase Or0.4±0.0Ab7.6±1.0An92.0±1.0, n=2. Classification: Achondrite, equilibrated cumulate eucrite. Slightly weathered. Specimens: 21.1 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass. | ||||||||||||||||||||||||
Data from: MB101 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. 101, MAPS 50, 1661, 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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