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Northwest Africa 11806 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11806 This is an OFFICIAL meteorite name. Abbreviation: NWA 11806 Observed fall: No Year found: 2005 Country: (Northwest Africa) Mass: 12 g | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 709 approved meteorites (plus 2 unapproved names) classified as H3. [show all] Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||||
Comments: | Approved 11 May 2018 | ||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11806 (NWA 11806) (Northwest Africa) Purchased: 2005 Classification: Ordinary chondrite (H3) History: Purchased by an anonymous collector from a dealer at the Munich Show in 2005, subsequently acquired by the Hollis Collection and donated to the Planetary Studies Foundation. Petrography: (A. Irving and S. Kuehner, UWS) Closely packed chondrules (apparent diameter 350±240 µm, N = 24) are set in a sparse fine grained matrix containing altered metal. Geochemistry: Olivine (Fa0.8-23.1, Cr2O3 in ferroan examples 0.02-0.28 wt.%, mean 0.07±0.10 wt.%, N = 7), orthopyroxene (Fs1.4-28.6Wo0.7-1.8, N = 3), subcalcic augite (Fs9.2-30.1Wo30.9-32.7, N = 2), diopside (Fs1.1Wo41.7). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.86. Classification: Ordinary chondrite (H3). Specimens: The entire specimen including a polished endcut is at PSF. | ||||||||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Institutions and collections |
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011) UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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