SILICATE - Si (pg-at/L) 

 DEPTH (METERS) 



10 20 30 40 50 60 70 80 90 100 no 120 



I ■ I ■ I 



T 



100 



200 



300 — 



400 



500 



600 



700 



800 



900 



1000 



i'M".''-j\'m;k'-i ' I ' I ' I ' I ' I 



(•) 



• j» 



(•) IMPROBABLE 



I ■ I ■ I ■ I ■ I ■ I ■ I ' I ■ I ■ I ■ I ■ I . I 



Figure lO. Envelope of silicate (ftg-at/1) versus depth (m) for all shelf 

 stations taken during IWSOE-70, 14 February-21 March 1970. 



15 



