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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 589 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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
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 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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