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Northwest Africa 13933
Basic information Name: Northwest Africa 13933
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13933
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 298 g
Classification
  history:
Recommended:  CVox3    [explanation]

This is 1 of 29 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 5 Jun 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13933 (NWA 13933)

(Northwest Africa)

Purchased: March, 2021

Classification: Carbonaceous chondrite (CVox3)

History: The meteorite was purchased from a dealer in Morocco.

Physical characteristics: Dark-grayish rock without fusion crust.

Petrography: Carbonaceous chondrite composed of chondrules (mean diameter about 0.9 mm; up to 2 mm sized), CAIs (up to 4 mm sized), and olivine amoeboids all set into a fine-grained fresh appearing dark grayish matrix. Contains type I and type II chondrules. Opaque phases are abundant Ni-rich sulfides and very rare metal and troilite.

Geochemistry: Ni in sulfides 19.4±0.2 wt%, N=7

Classification: Carbonaceous chondrite (CVox3). Oxidized subgroup based on high concentrations of Ni in sulfide (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:Morocco
Date:P March, 2021
Mass (g):298
Pieces:1
Class:CVox3
Shock stage:S1
Weathering grade:low
Fayalite (mol%):10.5±12.9 (1.0-43.1, n=15)
Ferrosilite (mol%):1.0±0.1 (0.9-1.2, n=13)
Wollastonite (mol%):1.6±1.1 (0.9-3.9, n=13)
Magnetic suscept.:4.07
Classifier:A. Greshake, MNB
Type spec mass (g):24.9
Type spec location:MNB
Main mass:Hanno Strufe
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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