Table 1. — Chemical and physical properties of bottom sediments 

 by stations 



Station 77 77 77 



Crvilse 2 k ^ 



Sample No. 155 ^8 603 



Latitude N. 35°01' 35°02« 35°01« 



Longitude W. 75°^5' T5°^6' 75^^' 



Depth (meters) 21 23 2k 



Date (mo., day, yr.) 5-11-53 11-13-53 2-23-5^ 



Sediment Gl^pe Sa 



Loss on Ignition, ^ I.85 I.98 2.27 



Insoluble Residue, ^ 96.21 95.83 9^-9^ 



AI2O3, i> 0.ll4- 0.19 0.17 



Fe203, io 0.38 0.1^0 0.53 



MnO, ^ 0.01 0.00 0.00 



MgO, ^ 0.26 0.37 0.31 



CaO, i 1.39 1.V+ 3.60 



K2O, ^ 0.04 0.10 0.01+ 



P2O5, i> 0.21 0,10 0.64 



Sr, ^ 0.01 0.07 0.05 



CI, i> o.kk 0.50 0.50 



Organic Nitrogen, ^ 0.010 



Organic Carbon, ^ O.O97 



CaC03, ^ 11.0 



Gravel, <f> O.I5 



Sand, i 99.52 



Silt, ^ 0.33 



Clay, ^ 0.00 



Median Diameter (mm) O.19 



Sorting (Trask) 0.62 



First Quartile (ram^ 0.23 



Third Quart ile (ram) O.I6 

 Sieve Weight, ^ (mu) 



+ 2000 



+ 1000 



0,15 

 0.56 



+ 500 1.28 



+ 250 13.33 



+ 125 77.43 



+ 62 5.92 



- 62 0.33 



Heavy Mineral, f) O.38 



Light Mineral, ^ 99.62 



Bioclastic, ^ gh 



81 



