I&ble 1. — Chemical and physical properties of bottom sediments 

 by stations 



Station h-J k-J hi 



Cruise 2 1^ 5 



Sangjle No. 13 »4-55 500 



Latitude N. 32 °k)' 32°l4-0' 32°lW« 



Longitude W. 79°00» 79°00' 79°00' 



Depth (meters) 29 27 29 



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



Sediment Type Sa Sa Sa 



Loss on Ignition, ^ 3.142 3.69 '<-.65 



Insoluble Residue, <f) 92. 06 92.21 81+. 9^ 



AI2O3, 'f> 0.09 0.15 0.07 



Fe203, <f> 0.70 0.51 0,35 



MnO, ^ 0.00 0.00 0.03 



Mgo, i 0.36 o.ui 0.37 



CaO, ^ 3.31 3.33 6.02 



K2O, ^ O.OI1- 0.05 0.05 



P2O5, i> 0.52 0.68 1.1+5 



Sr, f, 0.08 0.08 0.12 



CI, ^ 0.1+1 0.50 0.1+3 



Organic Nitrogen, ^ 0.001 



Organic Carbon, ^ 0.015 



CaC03, ^ 13.1 



Gravel, <jl> 8.I5 O.3O 2.13 



Sand, ^ 91.1+2 99-37 97-39 



Silt, i> 0.1+3 0.33 0.1+8 



Clay, i 0.00 0.00 0.00 



Median Diameter (mm) 0.53 0.1+0 0.1+8 



Sorting (Trask) I.I5 0.8I I.05 



First Quartile (mm^ 0.73 



Third Quartile (mm) O.3I 

 Sieve Weight, ^ (mu) 



+ 2000 8.15 0.30 2.13 



+ 1000 8.52 2.1+8 11.1+3 



+ 500 31.1^6 27.76 31.55 



+ 250 l^^.l^ 5I+.OI 39-75 



+ 125 9.81 1I+.I+3 13.85 



+ 62 1^23 0.69 0.81 



- 62 0.1+3 0.33 0.1+8 



Heavy Mineral, f) O.56 



Light Mineral, ^ 99. M+ 



Bioclastic, ^ Sh Sh Sh 



63 



