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Northwest Africa 7732 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7732 This is an OFFICIAL meteorite name. Abbreviation: NWA 7732 Observed fall: No Year found: 2012 Country: Morocco Mass: 550 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 6825 approved meteorites (plus 6 unapproved names) classified as H6. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||
Comments: | Approved 16 Feb 2013 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7732 (NWA 7732) Morocco Purchased: Aug 2012 Classification: Ordinary chondrite (H6) History: Purchased by Adam Bates from a meteorite dealer in Morocco, August 2012. Physical characteristics: 184 pieces ranging from 0.2-13 g, dark brown weathered exterior. A saw-cut reveals abundant fine-grained metal, also some metal grains up to 3 mm, set in a dark brown matrix. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows equilibrated, recrystallized texture with few discernable chondrules. Ubiquitous troilite, metal, Fe-oxide, and plagioclase. Geochemistry: (C. Agee and M. Spilde, UNM) Olivine Fa19.3±0.6, Fe/Mn=40±2, n=13; low-Ca pyroxene Fs16.9±0.2Wo1.6±0.2, Fe/Mn=23±1, n=10. Classification: Ordinary chondrite (H6), weathering grade W2. Specimens: 21 g including a probe mount on deposit at UNM, Adam Bates 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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