Table 1. —Chemical and physical properties of bottom sediments 

 by stations 



Station 62 62 63 63 



Cruise k Q 1^ 8 



San5)le No. l^^g 533 1^35 684 



Latitude N. 32°i4^0' 32°i+0' 33°li<-' 33°li<-' 



Longitude W. 76°U6' 76^i^6« 76°22» 76^25' 



Depth (meters) y^l 326 750 -JOk 



Date (mo., day, yr.) ia-8-53 9-27-54 11-8-53 9-28-54 



Sediment I^e q^ g^ Si g^ g^ 



Loss on I^ition, ^ 35.86 35.88 33-91 35-94 



Insoluble Residue, <f, 18.67 19-05 24.14 18.IO 



5^203^ J 1.43 1.20 0.87 1.15 



f^X^i ^ 1-T9 2.48 2.80 3-33 



^' I 0.07 0.30 0.05 0.38 



^' I 1.04 1.38 1-26 1.31 



i^' J ^1-07 43.33 ^0.03 44.18 



(ram^ 

 (mm) 



- 62 

 Heavy Mineral, ^ 

 Light Mineral, 56 

 Bioclastic, % 



^2°' \ 0.48 0.47 0.47 



^f54> 5.34 3-61 5.69 3-71 



r^' I 0.30 0.39 0.26 0.35 



n 4 «4^ ^ 1.60 1.52 1.59 1.32 



Organic Nitrogen, ^ Q^^Qg O.OgO 



Organic Carbon, ^ ^ ^^q l^OQg 

 CaC03, ^ 



sorting (Trask) ^ sS 249 



First Quartile (mm) ^.SO 2.49 



0.02 0.03 



0.00 



l^l' I 49.15 53.88 96.29 



Clay' J ^2.95 ^6.02 3-71 



iaIZL -HA + / \ 7-90 0.00 0.00 



Median Diameter (mm) ' ^^ ^ ^. ^ 



SnT'+ir,o- ('tvo=i,'> 0.061 0.047 0.26 



1.32 



Third Quartile 

 Sieve Weight, ?& (mu) 



+ 2000 



+ 1000 



+ 500 



+ 250 



+ 125 



+62 9.52 17.50 26.64 



0.00 0.00 0.00 



4.01 0.39 1.35 



19.48 4.84 15.64 



16.14 17.70 44.16 



15.57 13.45 8.50 



50.85 46.12 3.71 



0.02 

 99.98 



Fm Fm Fm Fm 



72 



