Table 1. —Chemical and physical properties of bottom sediments 

 by stations 



Station Y2. 71 71 72 



Cruise 2 5 y 7 



Sample No. 2 600 676 677 



Latitude N. S^^Olf' 3l4-°03» 3k°0k^ 33°50» 



Longitude W. 76°15' 76°15» 76°l4' 75°59' 



Depth (meters) 118 11^5 ^35 ggy 



Date (mo., day, yr.) 5-10-53 2-22-54 7-10-54 7-10-54 



Sedlinent I^e Sa Si Sa 



Loss on Ignition, ^ 28.O3 33.29 31.02 33.01 



Insoluble Residue, ^ 35.93 2O.38 30.36 24.36 



^203, J 0.06 0.20 0.12 0.86 



^^203^ ^ 1.60 i.n 1.00 2.90 



SS' I ^'^^ °-°^ 0.30 0.37 



^' J 2.57 2.55 1.96 1.10 



2.f' i 35.86 44.52 37.^4 40.74 



g°' \ 0.14 0.19 0.19 0.53 



If^i ^ 5.34 5.56 3.88 4.32 



Sr, ^ 

 CI, ^ 

 Organic Nitrogen, ^ 



Sieve Weight, ^ (rau) 

 + 2000 

 + 1000 



0.43 0.47 0.35 0.38 

 0.30 0.47 0.45 1.41 



0.011 0.077 



organic Ca..on, ^ ^;- - |^ 



^^°3' ^ vn q 66-R 



70.5 66.8 

 0.00 



TZ"\ ^ 6.21 



S^t'i ■ 93.69 64.87 



0.10 31.23 

 0.00 3.90 



Clay, <fc 



Median Diameter (mm) ^'^^l ^'^^ 



Sorting (Trask) °-5^ ^-^f 



Flrst Quartile (mm) ;!;'^i; 



Third Quartile (mm) J^*,J 



0.20 

 0.33 0.05 



6.21 0.00 



+ 500 15.05 0.10 



I 1^ 26.16 5.04 



+ T^,- 40.29 16.14 



+ 6^ 11-75 23.26 



_ g 0.44 20.33 



Heavy Mineral, ^ O'lO 35.13 



Light Mineral, ^ °-13 O.O9 



BlSlastlc, < 99.87 99.91 



' '^ Sh Fm 



78 



