SUBJECT INDEX 



959 



Santa Monica, 333, 593,- 600 ff, 609, 610 



Sao Miguel, 164 



Sargasso Sea, 872 



Scandinavia (see also Denmark, Norway, 



Sweden), 300, 895 

 Scandium, 667 

 Scaphopods, 459, 462 

 Scavenging by clays and colloids, 611 

 Schorre, 621 



Scotia Sea and islands, 251, 445 

 Scotland, 304 

 Scouring, 721 

 Scripps Canyon, 481 ff 



Scripps Institution of Oceanography, 20, 

 24, 87, 194, 218, 227, 399, 413, 480, 

 484 ff, 497, 728 

 Sea-level oscillations, 901 

 Seamounts, 206 ff, 248, 365, 368, 369, 501 

 distribution, 369 

 Foraminiferal oozes from, 880 

 microtopography, 443 ff, 459, 470 

 Seasonal upwelling, 585 

 Sedimentation, 507. See relevant entries 

 under following index heads : 

 Age determination by natural radio- 

 activity, 816 

 Basin sedimentation and diagenesis, 583 

 Beach and nearshore processes, 507 

 Clay-mineral distributions in the Pacific 



Ocean, 728 

 Cross-correlation of deep-sediment 



cores . . ., 832 

 Estuaries, deltas, shelf, slope, 620 

 Littoral processes, 530 

 Mesozoic, 277 

 Microtopography, 437 

 Model experiments 



Organic transportation of marine sedi- 

 ments, 776 

 Paleontology of pelagic sediments : the 



preserved record, 866 

 Pelagic sediments, 655 

 Physical properties of marine sediments, 



794 

 Sand 



Shallow-water carbonate sediments, 654 

 Trenches 



Turbidity currents, 742 ff 

 Unconsolidated sediments, 73 

 Waves 

 Sedimentation disturbances, 904 

 Sedimentation rates, 828 ff, 832 ff, 909 

 Sedov R.V., 402 ff 

 Seine estuary, 320, 627 



Seismicity : see Earthquakes and under 



Mid-Oceanic Ridge and Trenches 

 Seismic refraction and reflection, 3, 351 ff, 



354 ff, 413 ff, 423 

 bubble-pulse phenomenon, 31 

 complications and deviations from simple 



theory, 17 

 compressional and shear waves, 5 

 elementary theory of, 3 

 island arc and continental margin struc- 

 tures, 428 

 Layers 1, 2 and 3, 7 

 Layers 4 and 5, 12 ff 

 layer velocities and thicknesses, 4 ff 

 "masked" layers, 17 

 miscellaneous variations, 34 ff 

 non-explosive systems, 37 

 normal incidence reflections, 81 

 operational plan, 31 ff 

 ray diagram, 13, 15, 18 

 receiving techniques, 24 ff 

 reflected waves, 3 ff (see also Continuous 



reflection profiling) 

 reflection methods, 35 ff 

 refracted waves, 6 ff 

 refraction equipment, 30 ff 

 refraction observations, 65 ff, 86, 169 

 shear waves and complex refracted waves, 



12ff 

 shooting techniqvies, 21 ff 

 sub-bottom reflections, 810 ff 

 techniques and procedure, 20 

 time-distance graph, 6, 13, 15 ff 

 unconsolidated sediments, 73 

 velocity gradients, 14ff 

 Seismic surface waves : see Sub-oceanic 



structural exploration 

 Seismo -volcanic hypothesis for cable breaks, 



750 

 Senegal River, 634 

 Serpent inized period ites, 414, 430 

 Severnaya Zemlya, 402 

 Shallow-water carbonate sediments, 554 

 cements, 576 ff 

 chambers and crusts, 558 ff 

 non-skeletal particles, 573 ff, 578 ff 

 sheaths and spicules, segments, branches, 



556 

 skeletal particles, 554 ff, 560 ff, 570 ff 

 Shallow-water fossils, 866 ff 

 Shelled micro-organisms, 868 ff 

 Shetland Channel, 768 



Shore processes : see under Beach and near- 

 shore processes 



