SETTLING VELOCITIES IN MICRONS PER SECOND 



DIAMETERS IN MICRONS 



COARSE I MEDIUM l FINE IvERYFINEl COARSE 



SILT I SILT I SILT | SILT | CLAY 



FIG. II— MULTIPLE ANALYSES BY PIPETTE METHOD OF FRACTIONS LESS THAN 70 MICRONS IN SIZE, SAMPLES 19 AND 31 



COLLOID 



SETTLING VELOCITIES IN MICRONS PER SECOND 



FIG. 12 — AVERAGE SETTLING VELOCITIES, MICRONS PER SECOND, FOR MARINE CLAYS, AFTER VARIOUS INVESTIGATORS, 

 COMPARED WITH AVERAGE FOR CERTAIN CARNEGIE RED CLAYS FROM NORTH PACIFIC 



139 



