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ALETAI (137.02 gram)

205 $

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Category:
[ Meteoritical Bulletin Database ]

 

Classification: Iron IIIE-anomalous
Place/Time: 1898 in China
Mass: +74 tons

History: A new, 23 tonne mass of Aletai was found recently in a pasture of Aletai county (48°2’17″N, 88°23’3″E) in June, 2021. It was buried by soil and grass and covered with light-brown rust. The place where this mass was found is quite close to the coordinates for the Wuxilike and Akebulake masses of Aletai. The nearest place is named WuQilike on the Baidu map.

Geochemistry: The mass is mainly composed of kamacite (6.82-7.21 wt.% Ni) and taenite (14.45-41.13 wt.% Ni),with minor plessite, schreibersite (34.20-48.86 wt.% Ni) and haxonite (4.68-4.87 wt.% Ni, 0.13-0.27 wt.% Co). Haxonite is present in the center of plessite. Kamacite bandwidth is about 1.0±0.2 mm. Composition of metallic Fe-Ni and the occurrence of haxonite is compatible with IIIE iron.

Etched slice protected by Paraloid B42 layer