3.50 2.50 1.50 



4.0 I 3.00 I 2.00 



SIZE ANALYSIS 



Millimeters 

 .90 .70 .55 .45 .35 .25 

 .00|.80 .601 .50 I .40 I .30 



.09 .07 

 10 I .08 1.062 



0.5 1.0 1.5 



Phi Units 



SRANULE I ^^"sAND*"^^ I COARSE SAND I MEDIUM SAND I FINE SAN 

 WENTWORTH SCALE 



Graphic size distribution curves for typical samples from 

 Bethel Shoal and from a beach in the northern part of Fort 

 Pierce Grid area (dashed line) . Size distribution of the 

 acid insoluble residue (mostly quartz) for one of the shoal 

 samples is also included. Location of samples is shown on 

 Figures 2 and 2^ 



84 



