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Northwest Africa 14475
Basic information Name: Northwest Africa 14475
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14475
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 149 g
Classification
  history:
Recommended:  H3    [explanation]

This is 1 of 672 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 23 Nov 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14475 (NWA 14475)

(Northwest Africa)

Purchased: 2021 Sept

Classification: Ordinary chondrite (H3)

History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania, in September, 2021.

Physical characteristics: Dark brownish fragment without fusion crust.

Petrography: Ordinary chondrite displaying a brownish interior with small, clearly defined, mostly flattened packed chondrules (apparent mean diameter about 300 µm). FeNi metal and sulfides and are abundant and partly altered to Fe-hydroxides.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Nouadhibou, Mauritania
Date:P 2021 Sept
Mass (g):149
Pieces:1
Class:H3
Shock stage:S1
Weathering grade:W2
Fayalite (mol%):14.9±9.6 (4.2-35.5, n=11)
Ferrosilite (mol%):11.3±7.5 (2.0-19.1, n=17)
Wollastonite (mol%):1.2±0.7 (0.4-2.7, n=17)
Magnetic suscept.:4.9
Classifier:A. Greshake, MNB
Type spec mass (g):21
Type spec location:MNB
Main mass:Salamu Ali
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., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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