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Northwest Africa 5687 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 5687 This is an OFFICIAL meteorite name. Abbreviation: NWA 5687 Observed fall: No Year found: 2008 Country: (Northwest Africa) Mass: 146 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 34 approved meteorites classified as R3-6. [show all] Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 18 Feb 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 5687 (NWA 5687) (Northwest Africa) Purchased: 2008 Classification: Rumuruti chondrite (R3-6) History: The meteorite was bought from a Moroccan meteorite dealer in 2008. Petrography: The meteorite displays a dark brownish interior and is a chondritic breccia consisting of small heterogeneously distributed lithic fragments embedded into a fine-grained clastic matrix. Clasts are of type 3-6, the clastic matrix of type 3. Low-Ca pyroxene occurs only in unequilibrated lithologies. Opaque phases are chromite and FeNi-sulfides; metallic FeNi has not been found. Geochemistry: Olivine in type 6 lithologies, Fa38.5; olivine in type 3 lithologies, Fa29±12.7 (0.9-41.9, n=36); low-Ca pyroxene in type 3 lithologies, Fs13.8±5.7Wo0.9±0.7 (Fs7.4-29.9Wo0.3-3.2, n=34). | ||||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Photos: |
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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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