Published online by Cambridge University Press: 01 May 2009
THE speeds of the currents employed in the elutriation process in sorting diversely sized material bear no relation whatever to the speeds of the currents, which are competent to transport the same material. The elutriation process in no way imitates the natural processes whereby sediments are transported, sorted, and deposited. The determination of competent velocities in relation to size of material transported is quite a distinct investigation, and one which still calls for much study in spite of the time and attention given to it by numerous workers.
page 464 note 1 Owens, , “Experiments on the Transporting Power of Sea Currents”: Geog. Journ., April, 1908, pp. 415–20.CrossRefGoogle Scholar
page 466 note 1 The highest Thanet Beds seen at Pegwell Bay really represent a fairly low level in the deposit, but these data are included here because they were used in the diagram (Fig. 8).