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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.


   
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Found at the arrow (green or red) on the map below

 


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Pierre-Marie Pelé

This Month

Anton Artemev
 8/15/2018 12:49:15 PM
One more about Zhamanshin in publication from 7 July 2018.
Anton Artemev
 7/25/2018 3:56:05 PM
One more about Zhamanshin in publication from 7 July 2018.
Anton Artemev
 7/23/2018 6:28:29 PM
One more about Zhamanshin in publication from 7 July 2018.
John Divelbiss
 7/22/2018 2:48:30 PM
really impressive slice of an obvious once-molten soup of impact debris. very interesting material.
Anton Artemev
 7/22/2018 9:13:02 AM
One more about Zhamanshin in publication from 7 July 2018.
Graham
 7/22/2018 5:38:23 AM
A wonderful specimen...congratulations.
Anton Artemev
 7/22/2018 5:02:39 AM
Thank you Paul!
 

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