4.0 3.50 3.00 2.50 2.00 

 J I 



SIZE ANALYSIS 



Millimeters 

 1.00.90 .80 .70 .60.55 .50.45 .40 .35 .30 



10.09 .08 .07 .062 



I. I I I 99 



0.5 1.0 1.5 



Phi Units 9 



I GRANULE I VERY COARSE SAND I COARSE SAND I MEDIUM SAND j FINE SAND j VERY FINE SAND j 



WENTWORTH SCALE 



Figure 13. Size distribution curves for typical samples of the coarse, 

 brown, shelly sand occurring in patches on the Cape Charles 

 Terrace . 



28 



