NWA 13012  (16,377 g)

NWA 13012 (16,377 g)

Northwest Africa 13012 (NWA 13012)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (LL3-6)

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

Physical characteristics: Grayish rock without fusion crust.

Petrography: The meteorite is a chondritic breccia consisting of angular to subrounded LL6 clasts set into LL3 type matrix showing a chondritic texture with well defined chondrules. Chondrules are mostly flattened and well packed and have a mean diameter of about 0.9 mm. Plagioclase grain size in LL6 clasts is about 60 µm.

Geochemistry: type 3 lithology: olivine: Fa16.4±9.6 (Fa2.7-30.1, n= 17); pyroxene: Fs12.5±7.8Wo1.2±0.8 (Fs2.3-23.8Wo0.3-2.4, n= 22); type 6 lithology: olivine: Fa30.6±0.4, n=10; pyroxene: Fs25.1±0.2Wo1.5±0.1, n=9

 

Place of purchase: Erfoud, Morocco
Date: P 2019
Mass (g): 227
Pieces: 1
Class: LL3-6
Shock stage: S1
Weathering grade: W1
Fayalite (mol%): 16.4; 30.6
Ferrosilite (mol%): 12.5; 25.1
Wollastonite (mol%): 1.2; 1.5
Classifier: A. Greshake, MNB
Type spec mass (g): 26.1
Type spec location: MNB
Main mass: Hanno Strufe
Comments: Submitted by Ansgar Greshake

 

 

    131,00 €Preis
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