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Northwest Africa 7972 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7972 This is an OFFICIAL meteorite name. Abbreviation: NWA 7972 Observed fall: No Year found: 2013 Country: Morocco Mass: 1113 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 8890 approved meteorites (plus 5 unapproved names) classified as L5. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||
Comments: | Approved 12 Aug 2013 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7972 (NWA 7972) Morocco Purchased: 2013 Classification: Ordinary chondrite (L5) History: Purchased by Brahim Tahiri from a Moroccan hunter and sent to his partner Sean Tutorow for classification, 2013. Physical characteristics: Single stone, dark weathered exterior with oxidation, saw cut reveals scattered chondrules and finely disseminated metal/sulfide set in a dark gray, partially oxidized groundmass, also a larger (~4 mm) metal grain observed. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows equilibrated chondrules, but some with coarse-grained mesostasis, oxide veinlets, and plagioclase up 50 μm. Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa25.5±1.2, Fe/Mn=52±2, n=7, Low Ca-pyroxene Fs21.2±0.4Wo1.3±0.2, Fe/Mn=29±2, n=5. Classification: Ordinary chondrite (L5), weathering grade (W2). Specimens: 20.0 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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