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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 644 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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8025 approved meteorites from (Northwest Africa) (plus 1951 unapproved names)

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