![]() |
||
|
Northwest Africa 11669 | |||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 11669 This is an OFFICIAL meteorite name. Abbreviation: NWA 11669 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 353 approved meteorites classified as LL3. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||||
Comments: | Approved 20 Feb 2018 | ||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 107:
Northwest Africa 11669 (NWA 11669) (Northwest Africa) Purchased: 2013 Dec Classification: Ordinary chondrite (LL3) History: Purchased in Rissani, Morocco by Adam Aaronson in December 2013. Petrography: (A. Irving and S. Kuehner, UWS) Closely-packed, well-formed chondrules (apparent diameter 580±340 µm, N = 18) are set in a recrystallized matrix containing altered kamacite. Geochemistry: Olivine (Fa0.5-61.4, Cr2O3 in ferroan examples 0.07-0.18 wt.%, mean 0.12±0.04 wt.%, N = 8), orthopyroxene (Fs3.0-14.9Wo0.3-3.6, N = 3), subcalcic augite (Fs14.5Wo33.0), diopside (Fs1.0Wo45.9). Magnetic susceptibility log χ (× 10-9 m3/kg) = 3.22. Classification: Ordinary chondrite (LL3). Specimens: 26.4 g including one polished thin section at UWB; main mass with Aaronson. | ||||||||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
|
||||||||||||||||||||||||||||||||
Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
||||||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
| ||||||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 7547 approved meteorites from (Northwest Africa) (plus 1970 unapproved names) |