header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 5 Sep 2024
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Northwest Africa 16363
Basic information Name: Northwest Africa 16363
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16363
Observed fall: No
Year found: 2023
Country: (Northwest Africa)
Mass:help 1555 g
Classification
  history:
Recommended:  Mesosiderite    [explanation]

This is 1 of 279 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 12 Mar 2024
Writeuphelp
Writeup from MB 113:

Northwest Africa 16363 (NWA 16363)

(Northwest Africa)

Purchased: 2023 Jun

Classification: Mesosiderite

History: Purchased by Fabien Kuntz in June 2023 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving, UWS, and P. Carpenter, WUSL) The primary metal in this specimen has been extensively altered to Fe oxides/hydroxides, so that the specimen now consists of multiple subparallel Fe oxide veins enclosing angular grains of orthopyroxene, anorthite, augite, olivine and exsolved pigeonite. Accessory phases include taenite, schreibersite, silica polymorph, troilite, merrillite, low-Ti chromite and sparse remnant kamacite.

Geochemistry: Orthopyroxene (Fs22.0-38.8Wo1.5-4.0, FeO/MnO = 22-31, N = 8), augite (Fs20.5-29.8Wo38.1-36.2, FeO/MnO = 21-27, N = 3), low-Ca pyroxene host (Fs49.0Wo4.7, FeO/MnO = 27), augite exsolution lamella (Fs27.8Wo38.7, FeO/MnO = 29), olivine (Fa31.4-37.5, FeO/MnO = 29-42, N = 4), anorthite (An91.0-95.7Or0.1-0.0, N = 4).

Classification: Mesosiderite.

Specimens: 26.0 g including one polished thin section at UWB; remainder with Mr. F. Kuntz.

Data from:
  MB113
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2023 Jun
Mass (g):1555
Pieces:7 fitted
Class:Mesosiderite
Shock stage:low
Weathering grade:high
Fayalite (mol%):31.4-37.5
Ferrosilite (mol%):22.0-38.8; 20.5-29.8
Wollastonite (mol%):1.5-4.0; 38.1-36.2
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):26.0
Type spec location:UWB
Main mass:F. Kuntz
Comments:Work name K573; submitted by A. Irving
Institutions
   and collections		 UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 113, in preparation (2024)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

Direct link to this page