FIGURES 



Page 



Frontispiece The USS SAN PABLO, a Hydrographic Office Oceanographic 

 Survey Ship 



1. Location of Areas from which Cores were Collected 6 



2. Location of Cores within each Area 7 



3. Original Model of Hydroplastic Corer Rigged for Gravity-type 



Operation 10 



4. Nomenclature of Sediment Types 11 



5. Graph Showing Three ways to Relate Core Length to Corer 



Penetration 14 



6. Compression Test Apparatus 18 



7. Results of Strength Tests: (a) Stress Related to Strain from a 

 Compression Test and (b) Shear Stress Related to Vane Rotation in 



Degrees from a Vane Shear Test , Sensitivity is Denoted by S| 19 



8 . Vane Shear Apparatus 20 



9. Consolidation Test Apparatus: (a) Exploded View of the BUDOCKS 

 ConsoHdometer Cell Showing Extensometers, (b) Pneumatic Loading 

 Machine, with Low Pressure Dial Attachment, and (c) Lever System 

 Loading Machines 22 



10. Void Ratio Related to the Logarithm of Pressure for Core A 31 23 



11. Depth Related to Cohesion (Compression Tests): Area A Cores .... 25 



12. Depth Related to Cohesion (Compression Tests): Area B Cores .... 26 



13. Depth Related to Cohesion (Compression Tests): Area C Cores .... 27 



14. Depth Related to Cohesion (Compression Tests): Area D Cores .... 28 



15. Depth Related to Cohesion (Compression and Vane Tests): 



Area E Cores 29 



