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Northwest Africa 10270
Basic information Name: Northwest Africa 10270
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10270
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 65.5 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  L4/5
Recommended:  L4/5    [explanation]

This is 1 of 74 approved meteorites (plus 1 unapproved name) classified as L4/5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 4 Sep 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10270 (NWA 10270)

(Northwest Africa)

Purchased: 2014 Mar

Classification: Ordinary chondrite (L4/5)

History: Purchased by John Higgins in March 2014 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Sparse chondrules (up to 2.2 mm) occur in a recrystallized matrix containing holly-leaf shaped grains of stained metal.

Geochemistry: Olivine (Fa25.1-25.2, N = 3), orthopyroxene (Fs20.1-20.2Wo2.4-2.0, N = 3), clinopyroxene (Fs8.1-8.3Wo43.4-43.3, N = 2).

Classification: Ordinary chondrite (L4/5).

Specimens: 13.28 g including one polished thin section at UWB; main masses with Mr. J. Higgins.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2014 Mar
Mass (g):65.5
Pieces:1
Class:L4/5
Shock stage:S2
Weathering grade:W0/1
Fayalite (mol%):25.1-25.2
Ferrosilite (mol%):20.1-20.2
Wollastonite (mol%):2.4-2.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):13.28
Type spec location:UWB
Main mass:J. Higgins
Comments:JH15-6; 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7005 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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