Table 2 . --Percent by number of mineral components in 

 mixture of Virginia Beach sands. 



Sieve 



No. 



Mesh size 

 (mm) 



% Heavy 

 minerals 



% Rock 

 fragments 



% Shell 

 fragments 



10 





2.00 









18 



20 



18 





1.00 









12 



14 



35 





0.50 





10 











120 





0.125 





12 











230 





0.062 





12 











Residue 



< 0.062 



ft* 



50 











27 



