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Northwest Africa 11076 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11076 This is an OFFICIAL meteorite name. Abbreviation: NWA 11076 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 22 approved meteorites classified as LL(L)3. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||||
Comments: | Approved 17 Feb 2017 | ||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 106:
Northwest Africa 11076 (NWA 11076) (Northwest Africa) Purchased: 2016 Nov Classification: Ordinary chondrite (LL(L)3) History: Purchased by Darryl Pitt in November 2016 from a dealer in Mauritania. Petrography: (A. Irving and S. Kuehner, UWS) Fairly closely-packed, well-formed chondrules (apparent diameter 500±400 μm) are set in a fine grained matrix containing altered metal. Geochemistry: Olivine (Fa2.6-76.8, Cr2O3 in ferroan examples 0.05-0.14 wt.%, mean 0.09±0.03 wt.%, N = 7), orthopyroxene (Fs1.0-17.0Wo0.9-1.3, N = 3), diopside (Fs0.9Wo35.8), subcalcic augite (Fs17.4Wo29.5). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.22. Classification: Ordinary chondrite (LL(L)3). Specimens: 11.7 g including one polished thin section at UWB; remainder with DPitt. | ||||||||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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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) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address) |
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Catalogs: |
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References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography: |
Statistics: This is 1 of 7547 approved meteorites from (Northwest Africa) (plus 1970 unapproved names) |