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Northwest Africa 11403
Basic information Name: Northwest Africa 11403
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11403
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 194.4 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  LL4-6
Recommended:  LL4-6    [explanation]

This is 1 of 72 approved meteorites classified as LL4-6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 Aug 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11403 (NWA 11403)

(Northwest Africa)

Purchased: 2017 June

Classification: Ordinary chondrite (LL4-6)

History: The meteorite was bought from a Moroccan meteorite dealer on the mineral fair in Sainte Marie aux Mines, France.

Petrography: Chondritic breccia consisting of an LL4 host and intermingled LL5 and LL6 clasts. Plagioclase grain size in LL5 clasts is about 40 μm, in LL6 clasts about 80 μm. Chondrule mean diameter about 0.9 mm.

Geochemistry: type 4 lithology: olivine: Fa27.6±0.3, n=7; pyroxene: Fs20.2±3.6Wo1.3±0.7 (Fs13.9-24.0Wo0.3-2.1, n=11); type 6 lithology: olivine: Fa27.5±0.2, n=7; pyroxene: Fs23.7±0.2Wo1.7±0.2, n=8

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Sainte Marie aux Mines, France
Date:P 2017 June
Mass (g):194.4
Pieces:1
Class:LL4-6
Shock stage:S3
Weathering grade:W1
Fayalite (mol%):27.6; 27.5
Ferrosilite (mol%):20.2; 23.7
Wollastonite (mol%):1.3; 1.7
Classifier:A. Greshake, MNB
Type spec mass (g):25.7
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7655 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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