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Northwest Africa 11873 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11873 This is an OFFICIAL meteorite name. Abbreviation: NWA 11873 Observed fall: No Year found: 2008 Country: (Northwest Africa) Mass: 7.63 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 37 approved meteorites classified as LL3-6. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 30 Jun 2018 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11873 (NWA 11873) (Northwest Africa) Purchased: 2008 June Classification: Ordinary chondrite (LL3-6) History: Purchased from a Moroccan mineral dealer at the mineral show in Sainte-Marie-aux-Mines, France Physical characteristics: Individual without fusion crust. Brecciation texture with differently colored clasts is visible. One fine-grained, gray, melt-rock clast of about 4 cm stands out. Petrography: Genomict LL chondritic breccia, consisting of type 3 and type 6 clasts, embedded in a clastic matrix. The matrix also contains intact chondrules. One large melt rock clast occurs, consisting of euhedral igneously zoned olivine grains, embedded in a glassy mesostasis. Geochemistry: Type 3 clast: Olivine Fa28.2±4.1 (Fa12.9-32.7; n=20). Pyroxene Fs17.2±6.0Wo0.8±0.5 (Fs8.0-24.4Wo0.1-1.7; n=15). Type 6 clast: Olivine Fa29.3±0.4 (Fa28.5-30.0; n=12). Pyroxene Fs23.6±0.4Wo1.5±0.2 (Fs23.1-24.2Wo1.3-1.9; n=9). Olivine in melt rock clast: Fa 11.6-42.2 (n=2). | ||||||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Institutions and collections |
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012) |
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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 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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