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Northwest Africa 15528
Basic information Name: Northwest Africa 15528
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15528
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 27 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2023)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 336 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 7 Jan 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 15528 (NWA 15528)

(Northwest Africa)

Purchased: 2017 May

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Huapei Wang and Ziyao Wang in May 2017 from a Moroccan dealer at the Hunan Mineral & Gem Show in Chenzhou City, China.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed predominantly of mineral clasts of anorthite, olivine, low-Ca pyroxene, pigeonite and augite within a fine grained, partly vesicular matrix containing ilmenite, medium-Ti chromite, kamacite and troilite. Some olivine-bearing lithic breccia clasts are present.

Geochemistry: Olivine (Fa19.7-65.6, FeO/MnO = 81-108, N = 6), low-Ca pyroxene (Fs22.8-54.1Wo4.5-4.2, FeO/MnO = 55-61, N = 3), pigeonite (Fs44.0Wo6.6, FeO/MnO = 57), augite (Fs10.0-16.4Wo44.3-41.2, FeO/MnO = 41-54, N = 3), anorthite (An96.2-97.9Or0.1-0.0, N = 4).

Classification: Lunar (feldspathic breccia).

Specimens: 5.75 g in the form of a polished endcut at UWB; remainder with Huapei Wang and WangZ.

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Chenzhou City, China
Date:P 2017 May
Mass (g):27
Pieces:2
Class:Lunar (feldsp. breccia)
Shock stage:low
Weathering grade:low
Fayalite (mol%):19.7-65.6
Ferrosilite (mol%):22.8-54.1; 10.0-16.4
Wollastonite (mol%):4.2-4.5; 44.3-41.2
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):5.75
Type spec location:UWB
Main mass:Huapei Wang and WangZ
Comments:Work name WZY-134; 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 Meteoritical Bulletin, no. 112, in preparation (2023)
Find references in NASA ADS:
Find references in Google Scholar:
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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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