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Northwest Africa 10227
Basic information Name: Northwest Africa 10227
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10227
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 305 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  L4
Recommended:  L4    [explanation]

This is 1 of 1613 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 18 Jul 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10227 (NWA 10227)

(Northwest Africa)

Purchased: 2014 Aug

Classification: Ordinary chondrite (L4)

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

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed chondrules (apparent diameter 0.2-2.1 mm).

Geochemistry: Olivine (Fa25.6-25.7, N = 3), orthopyroxene (Fs21.2-21.2Wo1.0-0.8, N = 3), augite (Fs6.9-7.1o45.1-45.8, N = 2).

Classification: Ordinary chondrite (L4).

Specimens: 50.0 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):305
Pieces:1
Class:L4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):25.6-25.7
Ferrosilite (mol%):21.2-21.2
Wollastonite (mol%):1.0-0.8
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):50.0
Type spec location:PSF
Main mass:A. Debienne
Comments:AD14-F; 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:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6900 approved meteorites from (Northwest Africa) (plus 2035 unapproved names)

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