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Sudbury Basin

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Sudbury Basin

Post by sujin007 on Wed Nov 21, 2012 7:55 pm

Sudbury basin, or Sudbury structure, is a huge impact structure in Ontario, Canada. It is the second largest confirmed impact crater, as well as one of the oldest.

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Re: Sudbury Basin

Post by sujin007 on Wed Nov 21, 2012 7:56 pm

The original crater is believed to have been a lot larger than the current 200km (120mi) diameter crater that is there today.

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Re: Sudbury Basin

Post by sujin007 on Wed Nov 21, 2012 7:58 pm

They believe that the bolide that created the crater was over 10km (6.2mi) in diameter, and struck the earth 1.849 billion years ago.

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Re: Sudbury Basin

Post by sujin007 on Wed Nov 21, 2012 7:59 pm

The impact was so intense that it scattered debris over a 1,600,000km2 area around the point of impact. Rock fragments from the impact have been found in Minnesota, over 800km (497mi) away.



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