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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:
Meteoritical Bulletin:  MB 111  (2023)  Lunar (frag. breccia)
Recommended:  Lunar (frag. breccia)    [explanation]

This is 1 of 32 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 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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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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