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Northwest Africa 3199
Basic information Name: Northwest Africa 3199
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 3199
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 2.6 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 29 Nov 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 3199 (NWA 3199)

Northwest Africa

Purchased: Feb 2004

Classification: HED achondrite (Eucrite)

Petrography: Fresh, fine grained specimen with granulitic texture composed of exsolved pigeonite, calcic plagioclase, fairly abundant silica polymorph, and accessory ilmenite, zircon and troilite.

Geochemistry: Low-Ca pyroxene host Fs59.7-60.4Wo6.1-4.3, FeO/MnO=31-32, high-Ca pyroxene lamellae Fs39.4-38.4Wo31.2-32.4, FeO/MnO=33-35.

Data from:
  MB100
  Table 1
  Line 1165:
Place of purchase:Tucson
Date:P Feb 2004
Mass (g):2.6
Pieces:1
Class:Eucrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):59.7-60.4; 31.2-32.4
Wollastonite (mol%):6.1-4.3; 39.4-38.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):0.7
Type spec location:UWS
Main mass:Utas
Comments:NWAU 199; submitted by A. Irving
Institutions
   and collections		 UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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