questions ofdiagenesis must be temporarily 

 passed up or only sketchily investigated at first. 

 Many of these process problems will be investi- 

 gated as time and opportunity permit. Among 

 these are questions of alterationof organic mat- 

 ter leading to petroleum, the changes of inter- 

 stitial waters with time and depth of burial, and 

 migration of sand waves in formation of sheet 

 sands. Clearly, most process problems can best 

 be investigated when a sufficient level of under- 

 standing is reachedconcerning origin, transpor- 

 tation, and deposition of the particular source 

 materials, including their enclosing sediments. 

 This means that the topography and water move- 

 ments must be known far better than at present. 

 Lastly, we may expect that the results of the 

 general study will have considerable application 

 to future recovery of oil and gas and to mining 

 of such sea-floor deposits as manganese and 

 phosphorite. Certainly we cannot now foresee 

 the full benefits of a study which is the first of 

 its kind and which is now just beginning. 



REFERENCES 



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Emery, K. O., 1960, The Sea off Southern Cal- 

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Ericson, D. B., Ewing, M., Wollin, G., andHee- 

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Heezen, B. C, Tharp, Marie, and Ewing, M., 

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Niino, H., and Emery, K. O., 1961, Sediments of 

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Potter, P. E., and Glass, H. D., 1958, Petrology 

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Shepard, F. P., and Cohee, G. V., 1936, Continen- 

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Stetson, H. C, 1938, The sediments of the con- 

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Stetson, H. C, 1949, The sediments and strati- 

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