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Northwest Africa 11317 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11317 This is an OFFICIAL meteorite name. Abbreviation: NWA 11317 Observed fall: No Year found: 2016 Country: Morocco Mass: ![]() | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 17 approved meteorites classified as LL6-melt breccia. [show all] Search for other: LL chondrites, LL chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||
Comments: | Approved 4 Jul 2017 | ||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 106:
Northwest Africa 11317 (NWA 11317) Morocco, (Northwest Africa) Purchased: Mar 2016 Classification: Ordinary chondrite (LL6, melt breccia) History: Purchased by Hichame Mimaghador at the Erfoud Market in March 2016. Physical characteristics: Single stone weighing 179 g with a dark-brown crust. Several metal spots in a black matrix are visible in a sawn surface. No evident chondrules. Petrography: (V. Moggi Cecchi, G. Pratesi, S. Caporali, UniFi). Abundant melt regions containing scattered grains of metal and rounded troilite blebs are visible in the polished thin section. Rare remnant chondrules and mineral fragments are visible in other regions. The chondritic portion appears weakly shocked (S1). Geochemistry: (V. Moggi Cecchi, G. Pratesi, S. Caporali, UniFi) Olivine (Fa29.4±1.3, N=6), orthopyroxene (Fs23.7±0.7Wo1.9±0.3, N = 7). Classification: Ordinary Chondrite (LL6-melt breccia); S1; W1 Specimens: A total of 36 g and one thin section is on deposit at MSN-FI. Mimaghador holds the main mass. | ||||||||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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Institutions and collections |
MSN-FI: Museo di Storia Naturale “La Specola”, Sez. Mineralogia – Sistema Museale dell'Università degli Studi di Firenze
Via Giorgio La Pira, 4 – 50121 Firenze, Italy; Website (institutional address; updated 24 Oct 2022) UniFi: Università degli Studi di Firenze, P.zza S. Marco, 4 - 50121 Firenze, Italy (institutional address; updated 14 Sep 2013) |
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Catalogs: |
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References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography:![]() |
Statistics: This is 1 of 1932 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater) |