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Northwest Africa 2044 | |||||||||||||
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Basic information | Name: Northwest Africa 2044 This is an OFFICIAL meteorite name. Abbreviation: NWA 2044 Observed fall: No Year found: 2003 Country: (Northwest Africa) Mass: ![]() | ||||||||||||
Classification history: |
This is 1 of 619 approved meteorites (plus 1 unapproved name) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||
Comments: | Approved 1 Sep 2006 | ||||||||||||
Writeup![]() |
Writeup from MB 92:
Northwest Africa 2044 Morocco or Algeria Find: August 2003 Carbonaceous chondrite (CV3) History: Purchased in 2003 August in Erfoud, Morocco for DGregory. Physical characteristics: A single stone weighing 661 g. Petrography: (A. Irving and S. Kuehner, UWS): Sparse, well-formed ovoid chondrules in a black matrix.Olivine, orthopyroxene, clinopyroxene with accessory troilite and metal. Sparse CAI consisting mainly of Mg-Al spinel, gehlenite and perovskite, with rims of Al-Ti-rich clinopyroxene. Veins of anorthite present. Geochemistry: Mafic silicates are very Mg-rich (mg > 97), metal (5 wt% Ni).Oxygen Isotopes: (D. Rumble, CIW) Analyses of two whole rock fragments by laser fluorination gave δ18O = -1.12, -2.71; δ17O = -4.45, -6.36; Δ17O = -3.860, -4.934 (all ‰). Specimens: A total of 22.4 g of sample and one polished thin section are on deposit at UWS. DGregory holds the main mass. | ||||||||||||
Data from: MB92 Table 2 Line 4: |
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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) DGregory: David Gregory, 230 First Avenue, Suite 108, St. Thomas, Ontario N5R 4P5, Canada (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
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Geography: |
Statistics: This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names) |