• Descent 305 - Pre-order is open!!

    Our August/September issue has a publication date of 2 August, and it is a special summer bumper issue full of stories of exploration and wonder from the underground world.

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Water Icicle

If its any help, I just learnt last weekend why sediments are so important...

You can date their deposition using Cosmogenic radionuclide dating
http://en.wikipedia.org/wiki/Surface_exposure_dating

This allows the sediments to be used to determine the age that streams flowed along a particular passage. Useful stuff if you are a karst geomorphologist.

Look  :unsure: some science...
 
Not just when something flowed, but how much, which direction & so much more, especially if they include archaeology or palaeontology.
 
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