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MISSING: 9.04 kilogram Sikhote-Alin shrapnel individual   More Info


 
Zhamanshin   contributed by Anton Artemev, IMCA 9900   MetBul Link


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Impact melt from the crater.   Impact Crater

From Wikipedia:
Zhamanshin is a meteorite crater in Kazakhstan. It is 14 kilometres (8.7 mi) in diameter and the age is estimated to be 900,000 100,000 years (Pleistocene). The crater is exposed at the surface

It is believed that the Zhamanshin crater is the site of the most recent meteorite impact event of the magnitude that could have produced a disruption comparable to that of nuclear winter, but it was not sufficiently large to have caused a mass extinction.

Preliminary papers in the late 1970s suggested either Elgygytgyn or Zhamanshin as the source of the Australasian strewnfield, the youngest and largest of the tektite strewnfields, with recent estimates suggesting it may cover 10%-30% of the Earth's surface.


   


Anton writes:
I've just come from an expedition to crater Z. The crater is very old, and there is no exact circle. From the satellite it is poorly visible.
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Found at the arrow (green or red) on the map below

 


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Anne Black

This Month

Anton Artemev
 7/8/2018 4:53:38 PM
Hi Matthias, unfortunately, not yet Semipalatinsk...
Ben Fisler
 7/8/2018 3:55:41 PM
Wonderful photos. Thank you Anton.
Stephen Amara
 7/8/2018 7:51:18 AM
Thanks for sharing the journey!!! That's abeautiful impact melt specimen!!
Peter Marmet
 7/8/2018 4:51:54 AM
Great photos! :-)
Matthias
 7/8/2018 3:33:48 AM
Very impressing chunk of impact glass - and landscape too. Thank you for showing, Anton. Btw. does there exist glass as a result of nuclear explosions from the testside Semipalatinsk in Kazakhstan? Similar to Trinitite in the USA?
 

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