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Northwest Africa 12234 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12234 This is an OFFICIAL meteorite name. Abbreviation: NWA 12234 Observed fall: No Year found: 2016 Country: Algeria Mass: 257 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 474 approved meteorites classified as LL3. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||
Comments: | Approved 20 Oct 2018 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 12234 (NWA 12234) Algeria Find: 2016 March Classification: Ordinary chondrite (LL3) Petrography: (D. Sheikh, FSU) Composed of small to medium-sized chondrules (average ~0.7 mm) in a fine-grained matrix. Olivine and pyroxene are both heterogeneous in composition throughout. Low amount of metal present. Geochemistry: Olivine, Fa20.8±9.6 (Fa4.5-38.7, N=55); orthopyroxene Fs16.2±5.3Wo3.2±0.4 (Fs8.2-31.5Wo2.2-3.8, N=50). Classification: Ordinary Chondrite (LL3) Specimens: 22.13 grams at UCLA; main mass with Matthew Stream. | ||||||||||||||||||||||||||||
Data from: MB107 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. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 1336 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters) | ||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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