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The formation of earth’s submarine canyons


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#16    Riaan

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Posted 07 May 2013 - 06:54 PM

View PostIrna, on 07 May 2013 - 05:29 PM, said:

As far as I know, the Bounty Trough is not considered a classic submarine canyon, but rather a failed rift.



Surely, before you offer this opinion, you have studied the dynamics of turbidity currents and submarine debris flows?

PS Just have a look at what happened to the transatlantic cables after the 1929 Grand Banks earthquake, to have an idea of what "fine sediment" plus water is able to do.

Do you honestly think that fine sediment, like sand, can be carried in one direction down a 0.2° slope, on the sea bed, over a distance of 1800 km?

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#17    Irna

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Posted 07 May 2013 - 07:35 PM

View PostRiaan, on 07 May 2013 - 06:54 PM, said:

Do you honestly think that fine sediment, like sand, can be carried in one direction down a 0.2° slope, on the sea bed, over a distance of 1800 km?

Did you read one single study about the dynamics of turbidity currents? For your information, a turbidity current can even carry sediments upslope...





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