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Northwest Africa 10069
Basic information Name: Northwest Africa 10069
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10069
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 10.35 kg
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 230 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 1 May 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10069 (NWA 10069)

(Northwest Africa)

Purchased: 2014 Nov

Classification: HED achondrite (Eucrite, monomict)

History: Purchased by Mohammed and Ali Hmani

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of shocked gabbroic eucrite clasts and related debris. Minerals are exsolved pigeonite (pale orange to red-brown in thin section), calcic plagioclase (polycrystalline), silica polymorph, ferrosilite, ferropigeonite, Ti-chromite, ferropseudobrookite, troilite, zircon and secondary barite.

Geochemistry: Orthopyroxene host (Fs63.4Wo2.8, FeO/MnO = 31), clinopyroxene lamella (Fs29.8Wo41.6, FeO/MnO = 33), clinopyroxene host (Fs28.5-30.7Wo42.2-40.4, FeO/MnO = 32-35, N = 2), orthopyroxene lamella (Fs62.8Wo3.1, FeO/MnO = 32), ferropigeonite (Fs68.7Wo24.0, FeO/MnO = 35).

Classification: Eucrite (monomict breccia, gabbroic).

Specimens: 22.3 g including one polished thin section at UWB. The remainder is held by Hmani.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2014 Nov
Mass (g):10350
Pieces:1
Class:Eucrite-mmict
Shock stage:high
Weathering grade:moderate
Ferrosilite (mol%):62.8-63.4; 28.5-30.7
Wollastonite (mol%):3.1-2.8; 42.2-40.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):22.3
Type spec location:UWB
Main mass:Hmani Inc.
Comments:OT 20; 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)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address)
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:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7101 approved meteorites from (Northwest Africa) (plus 2004 unapproved names)

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