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Northwest Africa 5956 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 5956 This is an OFFICIAL meteorite name. Abbreviation: NWA 5956 Observed fall: No Year found: 2006 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 79 approved meteorites classified as CK3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||||
Comments: | Approved 19 Sep 2011 | ||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 100:
Northwest Africa 5956 (NWA 5956) (Northwest Africa) Purchased: 2006 Feb Classification: Carbonaceous chondrite (CK3) Petrography: (A. Irving and S. Kuehner, UWS) Chondrules are well formed. Minerals include kamacite, taenite, lawrencite, and troilite. Geochemistry: Olivine (Fa0.7-38.8), orthopyroxene (Fs4.7Wo2.6), clinopyroxene (Fs18.1Wo11.7), intermediate plagioclase (An48.9-71.1Or3.0-1.1). Oxygen isotopes (D. Rumble, CIW): δ17O -6.432, -6.314; δ18O -3.151, -2.748; Δ17O -4.775, -4.869 per mil. | ||||||||||||||||||||||||||||||||
Data from: MB100 Table 1 Line 1282: |
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Plots: | O isotopes: | ||||||||||||||||||||||||||||||||
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) CIW: Carnegie Insitution Washington, Geophysical Laboratory, 5251 Broad Branch Rd., NW, Washington DC 20015, United States (institutional address) MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Geography: |
Statistics: This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names) |