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Northwest Africa 10509
Basic information Name: Northwest Africa 10509
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10509
Observed fall: No
Year found: 2015
Country: Morocco
Mass:help 660 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Lunar (anorth)
Recommended:  Lunar (anorth)    [explanation]

This is 1 of 72 approved meteorites classified as Lunar (anorth).   [show all]
Search for other: Lunar meteorites
Comments: Approved 27 Feb 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10509 (NWA 10509)

Morocco

Find: 2014 Aug

Classification: Lunar meteorite (anorth)

History: Purchased by Ke Zuokai in Dec. 2015 from a Moroccan dealer.

Physical characteristics: A single, irregularly shaped stone lacking fusion crust. Small white clasts are visible in a pale, finer-grained matrix.

Petrography: Fragments of plagioclase (100 μm to sub-mm) set in recrystallized matrix of fine-grained (~ 20 μm) olivine, pigeonite, and plagioclase. Olivine fragments are less abundant.

Geochemistry: Plagioclase (An86.5-98.0Ab3-13Or0-1, average: An94±4Ab5±4) (n=8), olivine (Fa22-41, FeO/MnO = 83-98), pigeonite (Fs17-59Wo3-22, FeO/MnO = 45-61).

Classification: Lunar, anorthositic breccia

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Beijing China
Date:Dec. 2015
Mass (g):660
Pieces:1
Class:Lunar (anorth)
Fayalite (mol%):30.5±6.9 (n=8)
Ferrosilite (mol%):30.6±12.7 (n=13)
Wollastonite (mol%):14.1±12.0 (n=13)
Classifier:Wu Y., PMO
Type spec mass (g):20 g
Type spec location:PMO
Main mass:Ke Zuokai
Comments:Submitted by Hsu W.
Institutions
   and collections
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1502 approved meteorites from Morocco (plus 22 unapproved names) (plus 1 impact crater)

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