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| Northwest Africa 8500 | |||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 8500 This is an OFFICIAL meteorite name. Abbreviation: NWA 8500 Observed fall: No Year found: 2001 Country: (Northwest Africa) Mass:  30 g | ||||||||||||||||||||||||||
| Classification history: |
This is 1 of 82 approved meteorites classified as CK6. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||||||||||||||
| Comments: | Approved 14 Sep 2014 | ||||||||||||||||||||||||||
| Writeup |
Writeup from MB 103:
Northwest Africa 8500 (NWA 8500) (Northwest Africa) Purchased: 2001 Classification: Carbonaceous chondrite (CK6) Petrography: The meteorite displays a grayish to slightly greenish interior with several regions showing intense brownish staining. It is dominantly composed of recrystallized matrix; relict chondrules are very rare. Olivine is by far the most abundant mineral phase, followed by feldspar, Ca-pyroxene and Cr-bearing magnetite. Geochemistry: Cr2O3 in magnetite: about 6.5 wt% | ||||||||||||||||||||||||||
| Data from: MB103 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) Stehlik: Harald Stehlik, 1220 Wien, Austria (private address) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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| Geography: |
Statistics: This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names) | ||||||||||||||||||||||||||