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Northwest Africa 13524 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13524 This is an OFFICIAL meteorite name. Abbreviation: NWA 13524 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass: 123 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 2923 approved meteorites (plus 2 unapproved names) classified as LL6. [show all] Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||
Comments: | Approved 11 Nov 2020 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Northwest Africa 13524 (NWA 13524) (Northwest Africa) Find: 2019 Classification: Ordinary chondrite (LL6) History: Purchased in 2020 by Matthew Stream from a seller in Northwest Africa. Physical characteristics: Single stone with dark-brown fusion crust. Petrography: (D. Sheikh, FSU) Sample is an ordinary chondrite composed of few blurred chondrules set in a fine-grained recrystallized matrix containing secondary recrystallized plagioclase (55±5 μm). Accessory phases include Fe-Ni metal, troilite, chromite (some Ti-rich), and iron oxides. Geochemistry: Olivine (Fa27.5±0.4, range Fa26.5-28.2, n=30), Low-Ca pyroxene (Fs23.0±0.6Wo1.6±0.4, range Fs22.2-24.6Wo1.1-2.5, n=11). Classification: Ordinary Chondrite (LL6) Specimens: 20.3 g at UCLA; main mass with Matthew Stream. | ||||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections |
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011) FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010) |
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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 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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