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Northwest Africa 12507 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12507 This is an OFFICIAL meteorite name. Abbreviation: NWA 12507 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 10.5 g | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 658 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||||
Comments: | Approved 14 Sep 2019 | ||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 108:
Northwest Africa 12507 (NWA 12507) (Northwest Africa) Purchased: 2018 Classification: Ureilite History: (Ziyao Wang) Purchased by Ziyao Wang from Aziz Habibi in Erfoud, Morocco, 2018. Physical characteristics: (Ziyao Wang) one oblate stone of 10.5 g without fusion crust. Petrography: (R. Bartoschewitz, Bart) olivine grains up to 5 mm with tiny metal inclusions and intgerstitial silicates, graphite, chromite, and metal. Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa10.6±0.2 (n=22); pyroxene Fs9.8±0.2Wo1.6±0.3 (n=5); augite En51Fs4Wo45 (n=2); chromite CRAL82, FFM51 (n=2). Kamacite Ni=6.9, Co=0.6 (n=3); troilite Ni=0.2 (n=4) (all wt-%). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.64 Classification: ureilite Specimens: 2.3 g on deposit at Kiel, Ziyao Wang holds the main mass, and 2 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: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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