NWA 13265  (12,936 g)

NWA 13265 (12,936 g)

Northwest Africa 13265 (NWA 13265)

(Northwest Africa)

Purchased: 2019

Classification: Carbonaceous chondrite (CV3)

History: The meteorite was purchased from a meteorite dealer in Layoune, Western Sahara.

Physical characteristics: Many several cm sized individuals some of which completely covered by fusion crust.

Petrography: Carbonaceous chondrite composed of chondrules (mean diameter about 1 mm; up to 2 mm sized), CAIs (up to 3 mm sized), and olivine amoeboids all set into a fine-grained dark brownish to almost black matrix. Several chondrules show brownish staining due to terrestrial alteration.

 

Place of purchase: Layoune, West Sahara

Date: P 2019

Mass (g): 700

Class: CV3

Shock stage: S1

Weathering grade: moderate

Fayalite (mol%): 10.0±8.7 (0.5-33.1, n=19)

Ferrosilite (mol%): 1.8±0.2 (1.5-2.2, n=18)

Wollastonite (mol%): 1.4±1.1 (0.7-4.1, n=18)

Classifier: A. Greshake, MNB

Type spec mass (g): 22.8

Type spec location: MNB

Main mass: Hanno Strufe

Comments: Submitted by Ansgar Greshake

 

 

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