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| Northwest Africa 4760 | |||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 4760 This is an OFFICIAL meteorite name. Abbreviation: NWA 4760 Observed fall: No Year found: 2007 Country: (Northwest Africa) Mass:  103 g | ||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 605 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
| Comments: | Approved 12 Mar 2019 | ||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 108:
Northwest Africa 4760 (NWA 4760) (Northwest Africa) Purchased: 2007 Classification: Ureilite History: The meteorite was purchased in 2007 from a local meteorite dealer in Erfoud, Morocco. Physical characteristics: Dark-brownish individual without fusion crust. Petrography: The meteorite shows a cumulate texture of up to 2 mm sized Cr-rich olivine and pigeonite crystals often sharing 120 degree grain boundaries. It contains some flaky graphite; olivine displays characteristic reduced rims. Fractures are partly filled with brownish alteration products. Geochemistry: reduced rims in olivine: Fa2.0-9.1; Cr2O3 in ol: ~0.7 wt% | ||||||||||||||||||||||||||||||
| Data from: MB108 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. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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| Photos: |
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| Geography: |
Statistics: This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names) | ||||||||||||||||||||||||||||||