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Northwest Africa 7383 | |||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7383 This is an OFFICIAL meteorite name. Abbreviation: NWA 7383 Observed fall: No Year found: 2012 Country: Morocco Mass: ![]() | ||||||||||||||||||||||||
Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||
Comments: | Approved 12 Sep 2012 | ||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 101:
Northwest Africa 7383 (NWA 7383) Morocco Purchased: Jan 2012 Classification: HED achondrite (Eucrite) History: Purchased by Michael Farmer from a Moroccan meteorite dealer in Tucson, January 2012. Physical characteristics: Single complete stone, smooth black fusion crust, slightly weathered exterior, saw cut reveals fresh, light-gray, fine-grained ground mass. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a protogranular texture with approximately 45% pyroxene and 45% plagioclase, grain size 10-100 μm, many pyroxenes with exsolution lamellae. Accessory silica, ilmenite, and troilite. Geochemistry: (C. Agee and M. Spilde, UNM) Pyroxene Fs50.6±14.8Wo15.5±17.6, Fe/Mn=34±1, n=30, with equilibrated trend Fs62.7Wo2.5 to Fs26.4Wo44.3; plagioclase Or0.6±0.1Ab11.9±1.3An87.5±1.2, n=6. Classification: Achondrite (Eucrite), Equilibrated main group eucrite. Specimens: 20.08 g including a probe mount on deposit at UNM; MFarmer 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) MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address) |
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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 1929 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater) |