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Northwest Africa 13132 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13132 This is an OFFICIAL meteorite name. Abbreviation: NWA 13132 Observed fall: No Year found: 2017 Country: Niger Mass: 180 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 192 approved meteorites classified as L5/6. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 18 Jan 2020 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Northwest Africa 13132 (NWA 13132) Niger Purchased: 2017 Classification: Ordinary chondrite (L5/6) History: Purchased by Wei Jiang in 2017 from Morocco. Physical characteristics: Most fragments are covered by black fusion crust. The masses of fragments are in a range 50 to 500 g. The total mass is ~180 kg. Petrography: (J. Ji, S. Hu and Y. Lin, IGGCAS) The meteorite is mainly consisting of olivine, pyroxene, plagioclase, Fe-Ni metal, and troilite, with minor chromite andphosphates. Several relict chondrules in nonimpact region, ranging up to ~2.5 mm in diameter. Few shock melt veins are observed. Geochemistry: Mineral compositions and geochemistry: (J. Ji, S. Hu and Y. Lin, IGGCAS) The olivine and pyroxene are homogeneous in chemical compositions. Olivine: Fa25.4±0.4 (n=27), Orthopyroxene: Fs21.5±0.5Wo1.5±0.2 (n=17), Clinopyroxene: Fs10.6Wo35.4 (n=1) Classification: (J. Ji, S. Hu and Y. Lin, IGGCAS) L5/6 Specimens: The main mass is held by Wei Jiang. | ||||||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections |
IGGCAS: 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. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 119 approved meteorites from Niger (plus 4 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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