Table 1. — Chemical and physical properties of bottom sediments 

 by stations 



Station 35 35 35 35 



CiTiise 12^5 



Sample No. 257 35 '^Tl 535 



Latitude N. 31°20' 31°21' 31°21' 31°20« 



Longitude W. 80°52' 80°55' 80°52' 80°5^' 



Depth (meters) 16 15 18 I6 



Date (mo., day, yr.) 2-27-53 5-5-53 10-22-53 2-10-54 



Sediment Type Sa Sa Sa Sa 



Loss on Ignition, ^ 2.82 3.20 2. 8^4- 11.93 



Insoluble Residue, ^ 92. 80 91.75 93.13 75.60 



AI2O3, i 0.02 O.Oij- 0.03 0.04 



Fe203, ^ 0.11 0.11 0.24 0.23 



MnO, ^ 0.00 0.00 0.00 0.00 



MgO, ^ 0.21 O.lU 0.20 0.38 



CaO, i 2.38 3.59 3.67 4.45 



K2O, i 0.02 0.03 0.03 0.04 



P2O5;' ^ 0.78 1.16 1.45 5.78 



Sr, ^ 0.04 0.09 0.10 0.09 



CI, i> 0.37 0.30 0.35 0.37 



Organic Nitrogen, ^ 0.044 O.OO3 



Organic Carbon, f 0.219 0.123 



CaC03, ^ 11.6 10.3 



Gravel, ^ O.32 2.55 O.3O 7.6I 



Sand, ^ 99.68 97.09 99.70 91.01 



Silt, 'f> 0.00 0.36 0.00 1.38 



Clay, ^ 0.00 0.00 0.00 0.00 



Median Diameter (mm) 0.37 O.5I 0.35 0.49 



Sorting (Trask) o.73 1.00 O.72 1.34 



First Quartile (vcim) O.72 0.82 



Third Quartile (ram) 0.34 O.3I 

 Sieve Weight, ^ (mu) 



+ 2000 0.32 2.55 0.30 7.61 



+ 1000 3^00 11.74 1.81 10.23 



+ 500 1-^,88 33.06 17.68 28.63 



+ 250 60.52 42.41 57.99 38.33 



+ 125 IY.52 9.13 21.65 10.94 



+ 62 Q^rj^ Q^^5 0.57 2.88 



- 62 Q^QQ 0.36 0.00 1.38 



Heavy Mineral, ^ 1^13 0.53 



Light Mineral, f> 98.87 99.47 



Bioclastic, ^ q-^ q^i Sh Sh 



54 



