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Northwest Africa 13732
Basic information Name: Northwest Africa 13732
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13732
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 18 kg
Recommended:  Mesosiderite    [explanation]

This is 1 of 221 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 21 Feb 2021
Writeup from MB 110:

Northwest Africa 13732 (NWA 13732)

(Northwest Africa)

Purchased: 2019 Dec

Classification: Mesosiderite

History: Purchased by Ziyao Wang in December 2019 from a dealer in Agadir, Morocco.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Metamorphic-textured aggregate (mean grainsize ~1 mm) of predominantly orthopyroxene (containing blebs of augite), anorthite and metal (~30 vol.%, both kamacite and taenite) together with accessory silica polymorph and merrillite.

Geochemistry: Low-Ca pyroxene (Fs31.8-34.6Wo3.0-3.8, FeO/MnO = 22-24, N = 4), augite (Fs13.3-13.1Wo43.9-44.2, FeO/MnO = 19, N = 3), plagioclase (An92.5-96.1Or0.2-0.1, N = 3).

Classification: Mesosiderite.

Specimens: 44 g including one polished endcut at UWB; remainder with WangZ.

Data from:
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2019 Dec
Mass (g):18000
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):31.8-34.6
Wollastonite (mol%):3.0-3.8
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):44
Type spec location:UWB
Main mass:WangZ
Comments:Work name WZY-07; 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)
WangZ: Ziyao Wang, Hebei GEO University North Campus, Huai An dong road 127, Shijiazhuang, Hebei Province , China (private address; updated 25 Jun 2021)
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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     This is 1 of 8037 approved meteorites from (Northwest Africa) (plus 1947 unapproved names)

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