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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
Classification
  history:
Recommended:  H5-melt breccia    [explanation]

This is 1 of 32 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
Writeuphelp
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:
  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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
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:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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