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Northwest Africa 7960 | |||||||||||||||||||||
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Basic information | Name: Northwest Africa 7960 This is an OFFICIAL meteorite name. Abbreviation: NWA 7960 Observed fall: No Year found: 2013 Country: Morocco Mass: 309 g | ||||||||||||||||||||
Classification history: |
This is 1 of 138 approved meteorites classified as Eucrite-unbr. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||
Comments: | Approved 19 Aug 2013 | ||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7960 (NWA 7960) Morocco Purchased: 2013 Classification: HED achondrite (Eucrite, unbrecciated) History: Purchased by A. Hmani in Dakla, Morocco, 2013. Physical characteristics: Single stone, light brown-green weathered fusion crust or desert patina, broken surface reveals fresh unbrecciated texture with millimeter-sized green pyroxenes and white plagioclase crystals. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows approximately equal amounts of pyroxene and plagioclase, crystal size in the range 200-1000 μm. Ubiquitous silica, chromite, and troilite. Geochemistry: (C. Agee and L. Burkemper, UNM) Pigeonite Fs47.7±1.8Wo7.9±2.1, Fe/Mn=32±1, n=19; augite Fs29.3±0.9Wo34.2±0.4, Fe/Mn=30±2, n=2; plagioclase An90.7±0.5, n=4. Classification: Achondrite (equilibrated, unbrecciated eucrite), Mg# is transitional between cumulate eucrites and ordinary or basaltic eucrites. Specimens: 22.7 g including a probe mount on deposit at UNM. M. Hmani 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) Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address) |
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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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