Table 1. —Chemical and physical properties of bottom sediments 

 by stations 



Station hQ k8 kQ k9 



Cruise 2 If 5 k 



Sample No. l4 14.53 501 ^5^ 



Latitude N. 32°2il-' 32°25' ^2°26' 32°11' 



Longitude W. 78°i4-3« 78°44» 78°l+-2* 78°26* 



Depth (meters) 366 210 238 332 



Date (mo., day, yr.) 5-6-53 10-26-53 2-I5-54 10-26-53 



Sediment I^pe SI Sa SI Sa Sa 



Loss on Ignition, ^ 33.45 28.23 29.72 h2.k9 



Insoluble Residue, ^ 21^.91 31^.32 32.78 3.86 



^203, J 0.78 0.90 0.83 0.38 



^^203^ ^ 2.25 3.19 3.56 1.87 



T?' J 0-07 0.05 0.06 0.17 



^' ! 1.39 1.30 1.20 1.75 



J^°' I 39.71 33.92 36.20 50.68 



52°' \ 0.55 0.58 0.57 0-33 



t2°5' ^ 4.15 3.18 5.96 3.27 



Sr, ^ 



CI, % ^ iliS 



0.39 0.36 0.36 0.51 



1.05 1.09 1.13 



Organic Nitrogen, ^ 0.059 * 0.026 



CaC03, ^ 5^^5^ 21.8 



?''T^i ^ °-00 3. '4-2 0.72 



l^^' I 59.23 77.60 99.28 



^, ' J 40.77 18.98 0.00 



m"^' \. . / n 0-00 0.00 



Median Diameter (mm) o.046 0.126 0.52 



%T^l^^^f\ ^ 2.20 2.30 0.64 



First Quartlle (mm) f. ,n n <^ 



Third Quartlle \J) ^'^^ °-g 



Sieve Weight, ?& (mu) °-°^ °*^-^ 



+ 2000 



+ 1000 



+ 500 

 + 250" 



0.00 3.42 0.72 



0.i4 5.97 4.19 



1.65 6.36 45.92 



7.62 12.89 47.85 



. Z 26.83 31.92 1.03 



^ 22.99 20.46 0.29 



rr~^ Jr , V ^0.77 18.98 0.00 



Heavy Mineral, ^ n ^A n iq 



Light Mineral, $ °-g °-g 



Biociastic, i> ^ ^2: o^*2f 



' '^ Fm Fm Sh Fm 



64 



