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Northwest Africa 11974 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11974 This is an OFFICIAL meteorite name. Abbreviation: NWA 11974 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 73.7 g | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 192 approved meteorites classified as H~5. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||
Comments: | Approved 2 Sep 2018 | ||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11974 (NWA 11974) (Northwest Africa) Purchased: Feb 2018 Classification: Ordinary chondrite (H~5) History: Purchased by Li Bofang from a Morrocan dealer in Tucson in Feb 2017. Physical characteristics: Brown globular stone of 73.7 g. Cut face shows brown matrix with many little chondrules and some tiny metal specks. Petrography: (R. Bartoschewitz, Bart, B. Li, Beijing) cut surface shows recrystallized matrix with well-defined chondrules (0.1-0.6 mm, av. 0.3 mm) and sparsely distributed metal specks. Geochemistry: (R. Bartoschewitz, Bart) Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.69. Classification: ordinary chondrite (H~5) Specimens: 15.2 g on deposit at Kiel, B. Li holds the main mass and 10.2 g with Bart. | ||||||||||||||||||||||||||
Data from: MB107 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) Beijing: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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