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Northwest Africa 8523
Basic information Name: Northwest Africa 8523
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8523
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 41.1 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 501 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 14 Sep 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8523 (NWA 8523)

(Northwest Africa)

Purchased: 2014

Classification: HED achondrite (Eucrite)

Petrography: The meteorite displays a basaltic texture of dominantly calcic plagioclase and exsolved pyroxene. Plagioclase is typically lath-shaped. Accessories include SiO2 polymorphs, chromite, and troilite. The rock is heavily brecciated and contains abundant shock melt veins.

Geochemistry: low-Ca pyroxene: Fs54.6±0.3Wo2.1±0.3 (Fs54.1-55.4Wo1.7-2.7, n=22), FeO/MnO=31-35; Ca-pyroxene: Fs22.3±1Wo45.7±1 (Fs20.9-23.8Wo43.7-47.3, n=15), FeO/MnO=26-35; calcic plagioclase: An83.2±3.4 (An77.4-90.7, n=35)

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Ensisheim, France
Date:P 2014
Mass (g):41.1
Pieces:1
Class:Eucrite
Shock stage:strong
Weathering grade:low
Ferrosilite (mol%):54.6; 22.3
Wollastonite (mol%):2.1; 45.7
Classifier:A. Greshake, MNB
Type spec mass (g):10.2
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7727 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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