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Northwest Africa 14169
Basic information Name: Northwest Africa 14169
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14169
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 1143 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 618 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 6 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14169 (NWA 14169)

(Northwest Africa)

Purchased: 2019 Mar

Classification: Carbonaceous chondrite (CO3)

History: Purchased by Ziyao Wang in March 2019 from a dealer in Agadir, Morocco.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed, relatively small glass-bearing chondrules (apparent diameter 230±130 µm, N = 25), zoned olivine and pyroxene fragments, and very fine grained CAI are set in a relatively fresh, finer grained matrix (~15 vol.%) containing stained kamacite and troilite.

Geochemistry: Olivine (Fa29.6±16.2, range Fa0.7-37.5, N = 5; Cr2O3 in ferroan olivine <0.08 wt.%), low-Ca pyroxene (Fs1.3±0.4Wo3.0±1.8, range Fs1.0-1.7Wo1.2-4.8, N = 3), subcalcic augite (Fs5.2Wo26.5), diopside (Fs1.0Wo37.4).

Classification: Carbonaceous chondrite (CO3).

Specimens: 22.2 g including one polished thin section at UWB; remainder with WangZ.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2019 Mar
Mass (g):1143
Pieces:1
Class:CO3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):29.6±16.2
Ferrosilite (mol%):1.3±0.4
Wollastonite (mol%):3.0±1.8
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):22.2
Type spec location:UWB
Main mass:WangZ
Comments:Work name WZY-33; submitted by A. Irving
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)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
WangZ: Ziyao Wang, Hebei GEO University North Campus, Huai An dong road 127, Shijiazhuang, Hebei Province , China (private address; updated 25 Jun 2021)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Ziyao Wang         
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8777 approved meteorites from (Northwest Africa) (plus 1879 unapproved names)

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