118 



MARINE BOTTOM SAMPLES OF LAST CRUISE OF CARNEGIE 



Table 37. Index of methods employed in study 



Sam- 

 ple 

 no. 



Chemical analyses 



Entire 

 sample 



Volcanic 



fragments, 



etc. 



Foramin- 

 Ifera 



Fine 

 fractions 



Total CO2 



Carbonate 

 in various 

 size grades 



Organic 

 matter 



Base 

 exchange 



Spectro- 

 graphic 



X 

 X 



X 



X 



X 

 X 



X 

 X 

 X 

 X 



X 

 X 

 X 



X 



X 



X 



X 



X 

 X 



X 

 X 



^ Top and bottom of 24-inch core analyzed separately. 



