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Northwest Africa 14523
Basic information Name: Northwest Africa 14523
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14523
Observed fall: No
Year found: 2020
Country: Morocco
Mass:help 2.8 kg
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 276 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 15 Dec 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14523 (NWA 14523)

Morocco

Purchased: 2020

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Wei Jiang in 2020 from a meteorite dealer

Physical characteristics: The specimen is partially covered by glass with smooth surface. Some grey silicates and white plagioclase clasts are visible in the exposed surface.

Petrography: (J. Ji, S. Hu and Y. Lin, IGGCAS) This meteorite is mainly composed of fine-grained matrix. Some magnesian anorthosite and anorthosite clasts, are embeded by the fine-grained matrix.

Geochemistry: Mineral compositions and geochemistry: (J. Ji, S. Hu and Y. Lin, IGGCAS) Olivine: Fa20.9± 3.0 (n=17), Fe/Mn=97±9 (mole ratio), pyroxene: Fs20.1±4.5Wo10.2±3.1 (n=8), Fe/Mn=54±3 (mole ratio), plagioclase: An96.4±0.8Ab3.6±0.7 (n=13).

Classification: (J. Ji, S. Hu and Y. Lin, IGGCAS) Lunar feldspathic breccia

Specimens: The main mass is held by Wei Jiang

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020
Mass (g):2800
Pieces:80
Class:Lunar meteorite (feldspathic breccia)
Shock stage:high
Weathering grade:low
Fayalite (mol%):20.9±3.0
Ferrosilite (mol%):20.1±4.5
Wollastonite (mol%):10.2±3.1
Classifier:J. Ji, S. Hu and Y. Lin, IGGCAS
Type spec mass (g):26.3
Type spec location:IGGCAS
Main mass:Wei Jiang
Comments:Submitted by J. Ji, S. Hu and Y. Lin, IGGCAS
Institutions
   and collections		 IGGCAS: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Photos:
CreditPhotos
Public domain photographs:
Ji Jianglong   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1847 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater)

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