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Northwest Africa 13949
Basic information Name: Northwest Africa 13949
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13949
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 264 g
Classification
  history:
Recommended:  CVred3    [explanation]

This is 1 of 7 approved meteorites classified as CVred3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 31 May 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13949 (NWA 13949)

(Northwest Africa)

Purchased: March, 2021

Classification: Carbonaceous chondrite (CVred3)

History: The meteorite was purchased from a meteorite dealer in Nouadhibou, Mauritania in early March, 2021.

Physical characteristics: Brownish rock without fusion crust.

Petrography: Carbonaceous chondrite composed of well-defined chondrules (mean diameter about 900 µm), CAIs (up to 1 cm), and olivine amoeboids all set into a fine-grained almost black matrix. Opaque phases are metal and sulfides. Some chondrules show reddish staining due to terrestrial weathering.

Geochemistry: Ni in sulfides <0.12 wt%, N=11;

Classification: Carbonaceous chondrite (CVred3). Reduced subgroup based on low concentrations of Ni in sulfides Gattacceca et al., 2020.

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:
Place of purchase:Nouadhibou, Mauritania
Date:P March, 2021
Mass (g):264
Pieces:1
Class:CVred3
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):7.1±6.4 (0.4-22.5, n=21)
Ferrosilite (mol%):1.4±0.4 (0.9-2.4, n=13)
Wollastonite (mol%):1.1±0.3 (0.9-2.2, n=13)
Magnetic suscept.:4.28
Classifier:A. Greshake, MNB
Type spec mass (g):29.5
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 7727 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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