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Last update: 14 Oct 2020
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Northwest Africa 11475
Basic information Name: Northwest Africa 11475
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11475
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 71 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  H3
Recommended:  H3    [explanation]

This is 1 of 620 approved meteorites (plus 2 unapproved names) classified as H3.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 13 Oct 2017
Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017
Mass (g):71
Pieces:1
Class:H3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):15.8±10.7 (0.5-33.8, n=25)
Ferrosilite (mol%):12.2±8.3 (2.5-27.1, n=27)
Wollastonite (mol%):0.9±0.7 (0.3-3.3, n=27)
Classifier:A. Greshake, MNB
Type spec mass (g):15.4
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
Comments:mean chondrule diameter is about 0.4 mm; 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.
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7385 approved meteorites from (Northwest Africa) (plus 1955 unapproved names)

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