ANDERSON: BOTTOM PROPERTIES FOR LONG-RANGE PROPAGATION PREDICTION 



1 — I I I I I I 



• KAOLINITE, URICK, 1948 



BOUNDS OF SHUMWAY 



DATA, 1960 

 O EMSWORTH MUD, WOOD AND WESTON, 1964 



KAOLINITE, HAMPTON, 1967 



X CLAYEY SILT, NORTH ATLANTIC AND 



MEDITERRANEAN, BENNET, 1967 

 ▼ CLAYEY SILT, NORTH AND BALTIC SEAS 



(AVERAGE), ULONSKA, 1968 

 A 5ILTY CLAY 



A CLAYEY SILT 



V STIFF CLAYEY SILT 



T NORTH ATLANTIC, McCANN 



•l AND McCANN, 1969 



"1 r 



"1 — I I M I 



100 



10 



z 

 o 

 I- 

 < 



3 

 Z 



1.0 



T 



I I I II 



McLEROY AND 

 DeLEACH, 1968 



A 



O A 



o 



5 



01 



J I I I I I I I 



J I I II II 



J I I I II 



10 



100 



1000 



FREQUENCY - kHi 



Figure 7. ACOUSTICAL ATTENUATION VS FREQUENCY IN 

 CLAYS AND SILTS (LESS THAN 1% SAND) 



310 



