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Northwest Africa 14504
Basic information Name: Northwest Africa 14504
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14504
Observed fall: No
Year found: 2018
Country: Niger
Mass:help 5.2 kg
Classification
  history:
Recommended:  CVox3    [explanation]

This is 1 of 22 approved meteorites classified as CVox3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 18 Dec 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14504 (NWA 14504)

Agadez, Niger

Find: 2017

Classification: Carbonaceous chondrite (CVox3)

History: (Ziyao Wang) Purchased by Ziyao Wang from Hamza Lharbi in Guelmim Jun. 2018.

Physical characteristics: (Ziyao Wang) 5200 g semi-circular, dark-black stone, on the surface chondrules and CAIs are recognizable.

Petrography: (R. Bartoschewitz, Bart) Well developed granular, porphyric olivine-pyroxene,and porphyric olivine chondrules (0.4-1.6 mm), CAIs (<3 mm) and AOAs (<2 mm) are embedded in a fine-grained dark opaque matrix (about 55 vol% matrix).

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa5.3 (0.3-42.2; Fe/Mn=11-323, av. 55; n=42); pyroxene Fs2.5Wo2.0±0.2 (Fs0.8-8.5); n=9); feldspar An90Or<1 (n=1). Awaruite Ni=66.5, Co=2.0 (n=3); FeS Ni15 (n=1); (all wt%). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 3.07. O-isotopes (A. Pack and T. Di Rocco, UGött): δ17O(‰) = 0.121, δ18O (‰) = 5.339, D’17O (0.528) = -2.691.

Classification: Carbonaceous chondrite (CVoxA3). CVoxA group based on the Ni content of sulfides, Gattacceca et al. (2020).

Specimens: 20.5 g on deposit at UGött, Ziyao Wang holds the main mass, and 103 g with Bart. Polished thin sections with Bart + IfP

Bibliography:
  • Gattacceca J.,Bonal L.,Sonzognia C., and Longereya J. (2020) CV chondrites: More than one parent body. Earth Planet. Sci. Letts. 547, 116467. (link)
Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Agadez
Origin or pseudonym:desert
Place of purchase:Guelmim, Morocco
Date:2017
Mass (g):5200
Pieces:1
Class:CVox3
Fayalite (mol%):5,3 (0.3-42.2; n=42)
Ferrosilite (mol%):2.5 (0.8-8.5; n=9)
Wollastonite (mol%):2.0±0.2
Magnetic suscept.:3.07
Classifier:R. Bartoschewitz
Type spec mass (g):20.5
Type spec location:UGött
Main mass:Ziyao Wang
Finder:anonymous
Comments:working name WZ29; submitted by R. Bartoschewitz
Plots: O isotopes:  
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)
UGött: Geowissenschaftliches Museum, Georg-August-Universität Göttingen, Goldschmidtstr. 3, 37077 Göttingen, Germany; Website (institutional address; updated 26 Nov 2020)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Niger
Coordinates:Unknown.

Statistics:
     This is 1 of 51 approved meteorites from Agadez, Niger
     This is 1 of 93 approved meteorites from Niger (plus 4 unapproved names)

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