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Northwest Africa 2311 | |||||||||||||||||||
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Basic information | Name: Northwest Africa 2311 This is an OFFICIAL meteorite name. Abbreviation: NWA 2311 Observed fall: No Year found: 2004 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||
Classification history: |
This is 1 of 34 approved meteorites classified as Iron, IAB-sLL. [show all] Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||||
Comments: | Approved 21 Sep 2010 | ||||||||||||||||||
Writeup![]() |
Writeup from MB 99:
Northwest Africa 2311 (NWA 2311) (Northwest Africa) Found: 2004 Classification: Iron meteorite (IAB-sLL) Petrography: Relatively unweathered. Tiny schreibersite bands mark edges of some kamacites and intersections between crossing bands. No FeS is visible. Most plessite fields are dark, matte. One slice contains a centimeter-sized angular silicate clast. Geochemistry: Co (mg/g) 4.87, Ni (mg/g) 97.8, Ga (µg/g) 61.8, Ge (µg/g) 206, As (µg/g) 15.9, Ir (µg/g) 1.64, Au (µg/g) 1.78. Submitter: J. T. Wasson, UCLA. | ||||||||||||||||||
Data from: MB99 Table 0 Line 0: |
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Institutions and collections |
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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Geography: |
Statistics: This is 1 of 7579 approved meteorites from (Northwest Africa) (plus 1969 unapproved names) |