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Northwest Africa 15216
Basic information Name: Northwest Africa 15216
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15216
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 249 g
Classification
  history:
Recommended:  Lunar (frag. breccia)    [explanation]

This is 1 of 26 approved meteorites classified as Lunar (frag. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 5 Sep 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15216 (NWA 15216)

(Northwest Africa)

Purchased: 2015

Classification: Lunar meteorite (frag. breccia)

History: Purchased by Jay Piatek from Rachid Chaiou in 2015.

Physical characteristics: Sandblasted exterior, broken surface reveals a breccia with light colored clasts set in a dark colored groundmass. Some desert weathering and caliche are present.

Petrography: (C. Agee, UNM) Electron microprobe analysis indicates a lunar fragmental breccia with clasts of minerals and microgabbros. Major phases are plagioclase and clinopyroxene with lesser amounts of olivine.

Geochemistry: (C. Agee, UNM) Plagioclase An94.2±2.7Ab5.3±2.2, n=12; clinopyroxene Fs40.3±19.0Wo19.0±10.6, Fe/Mn=58±10, n=28; olivine Fa29.9±8.0, Fe/Mn=95±9, n=6.

Classification: Lunar fragmental breccia

Specimens: 25 g on deposit at UNM, Jay Piatek holds the main mass.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2015
Mass (g):249
Pieces:1
Class:Lunar (frag. breccia)
Shock stage:high
Weathering grade:moderate
Fayalite (mol%):24.5±2.7
Ferrosilite (mol%):40.3±19.0
Wollastonite (mol%):19.0±10.6
Classifier:C. Agee, UNM
Type spec mass (g):25
Type spec location:UNM
Main mass:Jay Piatek
Comments:Fieldname JP-83; submitted by C. Agee
Institutions
   and collections		 UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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