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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:help 3.1 kg
Recommended:  H5-melt breccia    [explanation]

This is 1 of 31 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 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 (Fa18.4±0.3, range Fa18.1-19.0, N = 6), low-Ca pyroxene (Fs16.1±0.2Wo1.4±0.2, range Fs15.9-16.4Wo1.1-1.7, N = 5), augite (Fs6.2±0.6Wo45.6±0.6, range Fs5.8-6.9Wo46.0-45.0, N = 3).

Classification: H5-melt breccia.

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

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2018
Mass (g):3100
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
   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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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     This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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