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Northwest Africa 13374 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13374 This is an OFFICIAL meteorite name. Abbreviation: NWA 13374 Observed fall: No Year found: 2018 Country: Mauritania Mass: 3.07 kg | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 12780 approved meteorites (plus 11 unapproved names) classified as L6. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||
Comments: | Approved 2 Aug 2020 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Northwest Africa 13374 (NWA 13374) Mauritania Find: 2018 Classification: Ordinary chondrite (L6) History: Collected by a nomad in an undetermined place in northern Mauritania during 2018. Purchased by Geologist Juan Avilés Poblador in Spring 2019 on behalf of the UAlic (Earth Sciences Department, Laboratory of Applied Petrology). Physical characteristics: The single, 3073 g irregularly shaped stone has as dark brown exterior. Cut surfaces reveal a brecciated texture. Petrography: (C. Herd and H. Shek, UAb) Optical and microprobe examination of a polished thin section shows poorly-defined chondrules and numerous dark veins. Several large and numerous small iron oxide veinlets are present throughout. Shock effects include undulatory extinction and planar fractures in olivine, veins, and shock-darkened areas. Geochemistry: (C. Herd and H. Shek, UAb) Data obtained by EMP examination of carbon-coated thin section: Olivine Fa25.1±0.9 (n=72); Low-Ca Pyroxene Fs21.5±1.0Wo1.3±0.2 (n=50). Classification: Ordinary chondrite, L6 Specimens: Type specimen of 91.3 g, including one thin section, is at UAb. Main mass at UAlic. | ||||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections |
UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011) UAlic: Earth Sciences Department University of Alicante San Vicente del Raspeig, Spain (institutional address; updated 9 Feb 2020) |
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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 221 approved meteorites from Mauritania (plus 2 unapproved names) (plus 2 impact craters) | ||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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