PLATE V 



Fig. 1. Sample 45, ferruginous Globigerina 

 ooze, southeast Pacific, depth 3791 me- 

 ters; 0.5- to 0.25-mm size grade; mostly 

 entire shells of pelagic foraminifera, 

 including Globorotalia tumida. Globiger - 

 ina rotundata. Pulleniatlna obllquiloculata 

 (CaC03 content of sample, 94 per cent) 



Fig. 2. Sample 19, ferruginous Globigerina 

 ooze, southeast Pacific, depth 2851 meters; 

 part greater than 0.12 mm in particle- 

 size; entire shells of pelagic foraminifera, 

 including Globorotalia truncatulinoldes. 

 Globigerinoides conglobata. Globigerina 

 rotundata (CaC03 content of sample, 86 

 per cent ) 



Fig. 3. Sample 44, Globigerina ooze, south- 

 east Pacific, depth 3966 meters; 0.5- to 

 0.25-mm size grade; entire and broken 

 shells of pelagic foraminifera, including 

 Globorotalia tumida and menardil. glo- 

 bigerina conglomerata. Globigerinoides 

 sacculifera. Pulleniatlna obllquiloculata. 

 Orbulina universa (CaCOs content of 

 sample, 75 per cent) 



Fig. 4. Sample 31, siliceous (calcareous) 

 red clay, southeast Pacific, depth 3657 

 meters; 0.5- to 0.25-mm size grade; 

 broken and entire shells of pelagic fora- 

 minifera, including Globorotalia tumida. 

 Globigerina conglomerata and inflata, 

 Globigerinoides conglobata. Orbulina uni- 

 versa; arenaceous foraminifera; benthon- 

 ic calcareous foraminifera, including 

 Unlgerlna proboscidea; radlolaria, and 

 sponge spicules (CaCOs content of sam- 

 ple, 20 per cent) 



