FIGURE 8 



COMPARATIVE ANALYSES OF SAME 



SAMPLE WITH AND WITHOUT MATERIAL 

 COARSER THAN I m m. 

 (MATERIAL) I mm. = 3.2 7o) 



SAND FROM COVE, LA JOLLA 



0.0 8.0 6.0 4.0 



2.0 1.0 .8 .6 



MEDIAN DIAMETER IN mm. 



.4 



0.01 



