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Northwest Africa 15360
Basic information Name: Northwest Africa 15360
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15360
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 480 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 270 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 4 Dec 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15360 (NWA 15360)

(Northwest Africa)

Purchased: 2021

Classification: Mesosiderite

History: Purchased by Jinji Li from a Moroccan dealer during the Hunan Mineral and Gem Show in Chenzhou City, China in 2021. Part of the specimen was subsequently acquired by Ziyao Wang.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of relatively small grains of orthopyroxene (with a range of compositions), anorthite and altered plus relict kamacite, together with large clasts (up to 1.2 cm across) of olivine (rimmed by intergrown orthoyroxene+merrillite+kamacite). Accessory primary phases include augite, medium-Ti chromite, troilite and merrillite. Secondary cross-cutting goethite veins and minor secondary calcite are present.

Geochemistry: Orthopyroxene (Fs22.2-35.8, FeO/MnO = 25-28, N = 6), anorthite (An91.8-94.7Or0.2-0.1, N = 4), olivine (Fa25.0-27.4, FeO/MnO = 40-42, N = 4), augite (Fs14.6-16.1Wo42.2-49.9, FeO/MnO = 20-22, N = 3).

Classification: Mesosiderite (olivine-bearing).

Specimens: 20.1 g including one polished thin section at UWB; remainder with Jinji Li and WangZ.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Chenzhou City, China
Date:P 2021
Mass (g):480
Pieces:1
Class:Mesosiderite
Shock stage:low
Weathering grade:moderate
Fayalite (mol%):25.0-27.4
Ferrosilite (mol%):22.2-35.8; 14.6-16.1
Wollastonite (mol%):1.2-4.0; 42.2-49.9
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):20.1
Type spec location:UWB
Main mass:Jinji Li and WangZ
Comments:Work name WZY-114; 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)
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. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Photos:
CreditPhotos
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 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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