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Seymchan (meteorite) : ウィキペディア英語版 | Seymchan (meteorite)
Seymchan is a pallasite meteorite found in the dry bed of the river Hekandue, a left tributary of river Jasačnaja in the Magadan district, Russia, near the settlement of Seymchan, in June 1967. ==History== The main mass of was found during a survey in June 1967 by geologist F. A. Mednikov. The mass was a triangular-shaped thumbprinted meteorite lying among the stones of the brook bed. A second specimen of was found with a mine detector at a distance of 20 m from the first in October 1967 by I. H. Markov. The main mass was turned over to the Academy of Sciences of the USSR. During a new expedition in 2004, Dmitri Kachalin recovered about of new material. Remarkably, about 20% of the new specimens were found to contain olivine crystals,〔(Meteorites Studies: Seymchan )〕 and so revealed the silicated nature of the meteorite. The pallasitic structure was not previously discovered during studies on small metal-only sections of the original mass.
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