Meteoritical Bulletin: Entry for Northwest Africa 14169

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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: 1143 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	CO3
Recommended:			CO3 [explanation]

This is 1 of 645 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

Writeup

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 (Fa_29.6±16.2, range Fa_0.7-37.5, N = 5; Cr₂O₃ in ferroan olivine <0.08 wt.%), low-Ca pyroxene (Fs_1.3±0.4Wo_3.0±1.8, range Fs_1.0-1.7Wo_1.2-4.8, N = 3), subcalcic augite (Fs_5.2Wo_26.5), diopside (Fs_1.0Wo_37.4).

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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024)
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

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Photos:

Credit	Photos
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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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Revision
history:

This lists important revisions made to data for this record.

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