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Northwest Africa 11002
Basic information Name: Northwest Africa 11002
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11002
Observed fall: No
Year found: 2016
Country: Morocco
Mass:help 14.13 kg
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 513 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 30 Dec 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 11002 (NWA 11002)

Morocco

Purchased: 2016 May

Classification: HED achondrite (Eucrite)

History: Purchased by Ke Zuokai in 2016 from a Moroccan dealer who wants to be anonymous.

Physical characteristics: An irregular stone without fusion crust.

Petrography: The brecciated meteorite displays an overall basaltic texture of exsolved pyroxene and calcic plagioclase ranging from 0.1-1.2 mm. Accessory minerals include ilmenite, chromite,trolite and SiO2 polymorphs. Melt pockets are small, consisting of crystallite and angular minerals.

Geochemistry: Plagioclase (An82.6-94.2Or0.1-0.8, n=14; average: 89.9±3.3Or0.3±0.2), orthopyroxene (Fs55.3-64Wo1.9-5, n=14), pigeonite (Fs54.8-59.8Wo5.5-7.9, n=5), augite (Fs25.1-37.8Wo39.9-46.5, n=15), pyroxene(FeO/MnO =28.2-33.6, average: 31.7±1.4)

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Chenzhou,China
Date:P 2016 May
Mass (g):14130
Pieces:1
Class:Eucrite
Ferrosilite (mol%):57.3±9.8; 57.7±1.9; 28.6±3.3
Wollastonite (mol%):3.5±1.1; 6.5±0.9; 42.7±1.7
Classifier:Wu Y., PMO
Type spec mass (g):36
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 1670 approved meteorites from Morocco (plus 23 unapproved names) (plus 1 impact crater)

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