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Northwest Africa 15482
Basic information Name: Northwest Africa 15482
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15482
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 80.6 g
Classification
  history:
Recommended:  Lunar (troct. anorth.)    [explanation]

This is 1 of 6 approved meteorites classified as Lunar (troct. anorth.).   [show all]
Search for other: Lunar meteorites
Comments: Approved 23 Feb 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 15482 (NWA 15482)

(Northwest Africa)

Purchased: 2022 Sep

Classification: Lunar meteorite (troctolitic anorthosite)

History: Purchased by Ziyao Wang in September 2022 from a dealer in Tan-Tan, Morocco.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of lithic clasts and related crystalline debris dominated by anorthite and olivine with subordinate pigeonite and accessory low-Ti chromite, pentlandite and pervasive secondary barite granules.

Geochemistry: Anorthite (An94.4-97.5Or0.2-0.0, N = 4), olivine (Fa19.0-45.6, FeO/MnO = 80-97, N = 5), pigeonite (Fs23.2-26.3Wo7.4-10.6, FeO/MnO = 42-50, N = 4).

Classification: Lunar (troctolitic anorthositic breccia).

Specimens: 16.9 g including one polished endcut at UWB; remainder with WangZ.

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Tan-Tan
Date:P 2022 Sep
Mass (g):80.6
Pieces:1
Class:Lunar (troct. anorth.)
Shock stage:low
Weathering grade:low
Fayalite (mol%):19.0-45.6
Ferrosilite (mol%):23.2-26.3
Wollastonite (mol%):7.4-10.6
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):16.9
Type spec location:UWB
Main mass:WangZ
Comments:Work name WZY-133; 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)
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:
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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 9042 approved meteorites from (Northwest Africa) (plus 1870 unapproved names)

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