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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 288 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Photos:
CreditPhotos
Public domain photographs:
Ji Jianglong   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1902 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater)

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