77' 



,t 



\ 



// 



■1\ 



W 



\ 



SHADED AREAS ARE >l 0% 



A O .08 I 



\ O 15. •^ 



\ C- •08 \ 



\ .2,0^-^^-^ ^ 



\ -<" •08 "\: 



\ •o.a •1.0 •°° 



■"•:3w 



\ •! I <<" 



'A 1 3» o • 



•\ 



\ 



• 0.9 v; 



•I.I \;' 



2,3 •10 



• 10 •1.0 



\ 



/ 



/ 



/ 



25 



-24= 



77° 



FIGURE 13 DISTRIBUTION OF SURFACE SEDIMENT ORGANIC CARBON CONTENT (%) 



51 



