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Northwest Africa 10233
Basic information Name: Northwest Africa 10233
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10233
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 230 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite-unbr
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 136 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 4 Sep 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10233 (NWA 10233)

(Northwest Africa)

Purchased: 2014 Aug

Classification: HED achondrite (Eucrite, unbrecciated)

History: Purchased by Alexandre Debienne in August 2014 from a dealer in Agadir, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Fresh, unbrecciated diabasic eucrite with subophitic texture. Larger grains of exsolved pigeonite partially enclose squat laths of calcic plagioclase. Accessory phases are ilmenite, Ti-rich chromite, troilite and Ni-free metal.

Geochemistry: Low-Ca pyroxene (Fs58.8-60.1Wo6.6-6.1, FeO/MnO = 24-27, N = 3), high-Ca pyroxene (Fs29.7-30.7Wo41.3-41.1, FeO/MnO = 25-29, N = 3)..

Classification: Eucrite (unbrecciated, diabasic).

Specimens: 20.25 g including one polished thin section at PSF; main mass with Mr. A. Debienne.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2014 Aug
Mass (g):230
Pieces:1
Class:Eucrite-unbr
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):58.8-60.1; 29.7-30.7
Wollastonite (mol%):6.6-6.1; 41.3-41.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.25
Type spec location:PSF
Main mass:A. Debienne
Comments:AD14-N; submitted by A. Irving
Institutions
   and collections		 PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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