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NWA 13933  (15,894 g)

NWA 13933 (15,894 g)

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).


Place of purchase:Morocco
Date:P March, 2021
Mass (g):298
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



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