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| Northwest Africa 12315 | |||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 12315 This is an OFFICIAL meteorite name. Abbreviation: NWA 12315 Observed fall: No Year found: 2018 Country: Morocco Mass:  166 g | ||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 2062 approved meteorites (plus 5 unapproved names) classified as L4. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||||||
| Comments: | Approved 27 Jul 2019 | ||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 108:
Northwest Africa 12315 (NWA 12315) Morocco Purchased: 2018 Classification: Ordinary chondrite (L4) History: (Ziyao Wang) Purchased by Ziyao Wang from Naji Ben Faraji in Laayoune, Western Sahara, Oct. 2018. Physical characteristics: (Ziyao Wang) One 166 g stone of irregular shape, fresh black fusion crust presents well developed flow lines. Petrography: (R. Bartoschewitz, Bart) well defined globular, elongated and highly deformed chondrules (0.3-2 mm). Matrix with irregular metal and sulfide patches and veins. Metal veins bearing individual chondrules (0.4-1 mm). Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa23.6±0.6 (n=13); pyroxene Fs18.6±2.0Wo1.2±1.1 (n=7); chromite CRAL92, FFM90; ilmenite MgO=2.55, MnO=1.78 and FeO=41.9 wt.-%. Kamacite Ni=5.5, Co=0.9 wt.-% (n=4). Magnetic susceptibility r=3.56 g/cm³, log χ (× 10-9 m3/kg) = 5.21 Classification: Ordinary chondrite (L4, S4, W0) Specimens: 20.7 g on deposit at Kiel, Ziyao Wang holds the main mass, and 19 g with Bart. | ||||||||||||||||||||||||||||||||||||
| Data from: MB108 Table 0 Line 0: |
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| Institutions and collections |
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013) Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Geography:
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Statistics: This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||||||
| Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
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| Revision history: |
This lists important revisions made to data for this record.
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