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Northwest Africa 11903
Basic information Name: Northwest Africa 11903
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11903
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 8 kg
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  H6
Recommended:  H6    [explanation]

This is 1 of 6379 approved meteorites (plus 5 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 24 Jul 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11903 (NWA 11903)

(Northwest Africa)

Purchased: 2016

Classification: Ordinary chondrite (H6)

History: Purchased by Dustin Dickens from Fyssal Mesgouri in Agadir, Morocco.

Physical characteristics: Weathered exterior. Saw cut reveals an interior with many small opaque grains and a few faint chondrules set in a dark, reddish-brown groundmass.

Petrography: (C. Agee, UNM) Faint, texturally equilibrated chondrules present, abundant Fe-Ni metal and sulfide throughout, plagioclase up to 150 μm.

Geochemistry: (C. Agee, UNM) Olivine Fa19.2±0.1, Fe/Mn=38±1, n=7; low-Ca pyroxene Fs17.0±0.2Wo1.3±0.3, Fe/Mn=22±1, n=7.

Classification: Ordinary chondrite, H6

Specimens: 25 g including a probe mount on deposit at UNM, Dustin Dickens holds the main mass.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2016
Mass (g):8000
Pieces:1
Class:H6
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):19.2±0.1
Ferrosilite (mol%):17.0±0.2
Wollastonite (mol%):1.3±0.3
Classifier:C. Agee, UNM
Type spec mass (g):25
Type spec location:UNM
Main mass:Dustin Dickens
Comments:Field name DD-32; submitted by C. Agee, UNM
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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