40 



MARINE BOTTOM SAMPLES OF LAST CRUISE OF CARNEGIE 



Table 1. Ssmoptic table of bottom samples collected 



Sam- 

 ple 



Sta- 

 tion 



Date 



Position 



and 

 depth in 

 meters 



Type of sample 



Estimated 

 CaC03 con- 

 tent in per 

 cent; basis 

 of estimate 



Color and physical characters 



None 



None 



Sample 89. Contains over 5 per cent MgCOs; 70 per cent of sample consists of calcareous organisms: 

 madreporarian corals 15 per cent; coralline algae 12 per cent, Halimeda 3 per cent, foraminifera 10 per 

 cent, gastropods 10 per cent, pelecypods 10 per cent, echinoid spines 8 per cent, tunicate spicules 1 per 



