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| Northwest Africa 6670 | |||||||
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| Basic information | Name: Northwest Africa 6670 This is an OFFICIAL meteorite name. Abbreviation: NWA 6670 Observed fall: No Year found: 2010 Country: (Northwest Africa) Mass:  591 g | ||||||
| Classification history: |
This is 1 of 365 approved meteorites classified as LL3. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||
| Writeup |
Writeup from MB online:
Northwest Africa 6670 (NWA 6670) 0°N, 0°E (Northwest Africa) Purchased: 2010 Dec Classification: Ordinary chondrite (LL3) History: Purchased in December 2010 from a dealer in Marrakech, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, relatively large chondrules (apparent diameter mostly 1.3 ± 1.0 mm, one 4.1 mm) are set in a finer grained, unrecrystallized fragmental matrix containing sparse stained metal. Geochemistry: Olivine (Fa1.1-57.6, Cr2O3 in ferroan olivine 0.02-0.41 wt.%, mean 0.14 wt.%, sd 0.13 wt.%, N = 16), orthopyroxene (Fs2.2-21.9Wo0.2-3.3, N = 3), subcalcic augite (Fs8.2-18.4Wo31.3-28.0, N = 2), augite (Fs10.5Wo42.3). log χ (× 10-9 m3/kg) = 4.15. Classification: Ordinary chondrite (LL3). The wide range in Fa content of olivine coupled with the range in Cr contents of ferroan olivine imply a very low subtype near 3.2. Specimens: 21.8 g at UWB; remainder with Mr. B. Booz. | ||||||
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| References: | Published in
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| Photos: |
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| Geography: |
Statistics: This is 1 of 7688 approved meteorites from (Northwest Africa) (plus 1972 unapproved names) | ||||||