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Northwest Africa 6433 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 6433 This is an OFFICIAL meteorite name. Abbreviation: NWA 6433 Observed fall: No Year found: 2007 Country: (Northwest Africa) Mass: 786 g | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 477 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 17 Nov 2015 | ||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 6433 (NWA 6433) (Northwest Africa) Purchased: 2007 Oct Classification: Ordinary chondrite (LL3) History: Purchased by Blaine Reed in October 2007 from a Moroccan dealer. Petrography: (A. Irving and S. Kuehner, UWS) Very fresh, unequilibrated specimen composed of small to medium sized chondrules (0.5-2.1 mm) in a finer matrix. Minerals are olivine, orthopyroxene, subcalcic augite, pigeonite, sodic plagioclase, chromite, altered kamacite and troilite. Geochemistry: Olivine (Fa1.3-40.2; Cr2O3 in ferroan olivine = 0.08±0.02 wt.%), orthopyroxene (Fs1.0-21.9Wo0.5-0.6), subcalcic augite (Fs1.3Wo29.4), pigeonite (Fs23.0Wo17.6). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.29. Classification: Ordinary chondrite (LL3). LL group designation based on magnetic susceptibility. Specimens: Type specimen plus one polished thick section are at PSF; main mass with Reed. | ||||||||||||||||||||||||||||||||
Data from: MB104 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) Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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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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