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Northwest Africa 12353
Basic information Name: Northwest Africa 12353
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12353
Observed fall: No
Year found: 2017
Country: Morocco
Mass:help 1423 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  H5
Recommended:  H5    [explanation]

This is 1 of 11372 approved meteorites (plus 22 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 27 Nov 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 12353 (NWA 12353)

Morocco

Purchased: 2017 Feb

Classification: Ordinary chondrite (H5)

Physical characteristics: The repositiory specimen has a very dark interior and contains visible chondrules.

Petrography: (Z. Jiang, UWO) Porphyritic and radial pyroxene chondrules are found with an average size of ~0.3 mm. There are planar and irregular fractures in olivine and orthopyroxene. Minor plagioclase was found.

Geochemistry: (EMPA, M. Beauchamp, UWO) Olivine (Fa18.7±0.2; Fe/Mn = 36.8±1.5; n=15), orthopyroxene (Fs16.4±0.1Wo1.5±0.2, n=13), and plagioclase (An12.4±0.3; n=10).

Classification: Ordinary chondrite (H5, S3, W2)

Specimens: 22.7 g including a thin section at UWO. S. Tutorow holds the main mass.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2017 Feb
Mass (g):1423
Pieces:1
Class:H5
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):18.7±0.2 (N=10)
Ferrosilite (mol%):16.4±0.1 (N=13)
Wollastonite (mol%):1.5±0.2 (N=13)
Classifier:Z. Jiang, UWO
Type spec mass (g):20.5
Type spec location:UWO
Main mass:S. Tutorow
Comments:G713; submitted by A. Bouvier, UWO
Institutions
   and collections		 UWO: University of Western Ontario, Department of Earth Sciences, BGS 1026, 1151 Richmond St. N, London, Ontario, Canada N6A 5B7, Canada (institutional address; updated 18 Jul 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 2012 approved meteorites from Morocco (plus 35 unapproved names) (plus 1 impact crater)

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