Meteoritical Bulletin: Entry for Northwest Africa 13672

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Northwest Africa 13672

Basic information

Name: Northwest Africa 13672
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13672
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 3.1 kg

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	H5-melt breccia
Recommended:			H5-melt breccia [explanation]

This is 1 of 40 approved meteorites classified as H5-melt breccia. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 30 Jan 2021

Writeup

Writeup from MB 110:

Northwest Africa 13672 (NWA 13672)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (H5, melt breccia)

History: Purchased by Craig Zlimen in 2018 from a Moroccan dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of sparse shock-darkened Type 5 equilibrated chondrite clasts within a relatively coarse grained shock-darkened matrix containing thin, ragged stringers of metal. Clasts have shock stage S4.

Geochemistry: Olivine (Fa_18.4±0.3, range Fa_18.1-19.0, N = 6), low-Ca pyroxene (Fs_16.1±0.2Wo_1.4±0.2, range Fs_15.9-16.4Wo_1.1-1.7, N = 5), augite (Fs_6.2±0.6Wo_45.6±0.6, range Fs_5.8-6.9Wo_46.0-45.0, N = 3).

Classification: H5-melt breccia.

Specimens: 26 g including one polished thin section at UWB; remainder with Mr. C. Zlimen.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2018
Mass (g):	3100
Pieces:	1
Class:	H5-melt breccia
Weathering grade:	W0/1
Fayalite (mol%):	18.4±0.3
Ferrosilite (mol%):	16.1±0.2
Wollastonite (mol%):	1.4±0.2
Classifier:	A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):	26.0
Type spec location:	UWB
Main mass:	C. Zlimen
Comments:	Work name ZLI30; 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)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)

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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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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