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Northwest Africa 7488 | |||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7488 This is an OFFICIAL meteorite name. Abbreviation: NWA 7488 Observed fall: No Year found: 2012 Country: Morocco Mass: 259 g | ||||||||||||||||||||||||
Classification history: |
This is 1 of 603 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||
Comments: | Approved 8 Nov 2012 | ||||||||||||||||||||||||
Writeup |
Writeup from MB 101:
Northwest Africa 7488 (NWA 7488) Morocco Purchased: August 2012 Classification: HED achondrite (Eucrite) History: Purchased by Adam Bates in August 2012 from Moroccan meteorite dealer. Physical characteristics: Single stone, dark gray, irregular exterior. Saw cut reveals breccia with angular clasts up to 1 cm set in a light-gray groundmass. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows approximately 60% pyroxene and 30% plagioclase, plus accessory silica, ilmenite, troilite, and low-Ni iron metal. Geochemistry: (C. Agee and M. Spilde, UNM) Low Ca-pyroxene Fs50.8±2.4Wo12.8±3.4, Fe/Mn=28±2, n=30; plagioclase Or0.5±0.2Ab11.4±1.3An88.1±1.5, n=3. Classification: Achondrite (eucrite), equilibrated, main group, basaltic eucrite. Specimens: 21.24 g including a probe mount on deposit at UNM, Adam Bates 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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Photos: |
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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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