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Northwest Africa 10807
Basic information Name: Northwest Africa 10807
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10807
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 238 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  L4/5
Recommended:  L4/5    [explanation]

This is 1 of 77 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 13 Aug 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10807 (NWA 10807)

(Northwest Africa)

Purchased: 2016 May

Classification: Ordinary chondrite (L4/5)

History: Purchased in Temara, Morocco by Adam Aaronson in May 2016.

Petrography: (A. Irving and S. Kuehner, UWS) Sparse chondrules (some well-formed) occur within a recrystallized matrix containing altered metal and red-brown staining along grain boundaries.

Geochemistry: Olivine (Fa25.5-27.6, N = 3), orthopyroxene (Fs20.5-20.8Wo1.1-1.3, N = 3), clinopyroxene (Fs8.2-10.9Wo44.0-43.2, N = 2).

Classification: Ordinary chondrite (L4/5).

Specimens: 20.3 g including one polished thin section at UWB; remainder with Aaronson.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2016 May
Mass (g):238
Pieces:1
Class:L4/5
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):25.5-27.6
Ferrosilite (mol%):20.5-20.8
Wollastonite (mol%):1.1-1.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.3
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1935; 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)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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