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Northwest Africa 14032
Basic information Name: Northwest Africa 14032
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14032
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 71.6 g
Recommended:  CK6    [explanation]

This is 1 of 81 approved meteorites classified as CK6.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 17 Jul 2021
Writeup from MB 110:

Northwest Africa 14032 (NWA 14032)

(Northwest Africa)

Purchased: 2021 Mar

Classification: Carbonaceous chondrite (CK6)

History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania, in March, 2021.

Physical characteristics: Dark brownish rock without fusion crust.

Petrography: The meteorite displays a dark brownish to reddish interior and is largely composed of fine-grained recrystallized matrix dominated by Fe-rich olivine. Chondrules are only rarely encountered and poorly defined. Minor phases include intermediate plagioclase, low-Ca pyroxene, Ca-pyroxene, and FeS. Cr-rich magnetite is abundant; metal was not detected. The meteorite contains abundant cracks filled with secondary calcite.

Geochemistry: olivine: Fa29.0±0.2 (Fa28.6-29.2, FeO/MnO=96±9; NiO=0.41±0.06 wt%, n=11); low-Ca pyroxene: Fs26.2±0.6Wo0.8±0.2 (Fs24.8-26.9Wo0.7-1.2, n=8); Ca-pyroxene: Fs8.3±0.6Wo47.6±0.5 (Fs7.6-9.3Wo46.8-48.4, n=8); feldspar: An22.9-77.6Ab22.2-73.6Or0.2-3.5, n=6; magnetite contains 5.3±0.1 wt% Cr2O3, n=4

Data from:
  Table 0
  Line 0:
Place of purchase:Nouadhibou, Mauritania
Date:P 2021 Mar
Mass (g):71.6
Shock stage:S1
Weathering grade:high
Fayalite (mol%):29.0
Ferrosilite (mol%):26.2; 8.3
Wollastonite (mol%):0.8; 47.6
Classifier:A. Greshake, MNB
Type spec mass (g):18.9
Type spec location:MNB
Main mass:Salamu Ali
Comments:Submitted by Ansgar Greshake
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
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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     This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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