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Northwest Africa 10757
Basic information Name: Northwest Africa 10757
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10757
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 704 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  H4
Recommended:  H4    [explanation]

This is 1 of 6033 approved meteorites (plus 11 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 7 Jul 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10757 (NWA 10757)

(Northwest Africa)

Purchased: 2016 May

Classification: Ordinary chondrite (H4)

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

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, relatively small chondrules and altered metal.

Geochemistry: Olivine (Fa18.0-18.1, N = 3), orthopyroxene (Fs15.9-16.4Wo0.8-0.7, N = 3), clinopyroxene (Fs9.2-10.4Wo30.3-28.2, N = 2).

Classification: Ordinary chondrite (H4).

Specimens: 21 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):704
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):18.0-18.1
Ferrosilite (mol%):15.9-16.4
Wollastonite (mol%):0.8-0.7
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1937; 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 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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