TABLE 2. DISTRIBUTION AND GENERAL RELATIONSHIPS OF 

 UNDERWATER TOPOGRAPHIC RELIEF 





INTERMEDIATE 

 RELIEF 





MICRORELIEF 







MAJOR 

 RELIEF 



OUT- 

 CROPS 



CHEMICAL 

 DISTURB. 



BENTHONIC 

 ANIMALS 



BIOLOG. 

 DISTURB. 



PHYSICAL 

 DISTURB. 





BANK 















BASIN 















CANYON 















ISLAND SHELF 













CONTINENTAL 

 TERRACE 



CONTINENTAL SLOPE 













SILL 















SADDLE 















TROUGH 















VALLEY 















RIFT VALLEY 















BASIN 















GENTLE RELIEF 













RIDGE 



ISLAND SHELF 















SEAMOUNT SURFACE 















BASIN 













GULF 



CANYON 













OF CALIF. 



ISLAND SHELF 















SMALL LOCAL RIDGE 















BASIN 













FRACTURE 



IRREGULAR HILLS 













ZONE 



GENTLE TOPOG. 















IRREG. TOPOG. 













ABYS. PLAIN 



GENTLE TOPOG. 













EAST PAC. 



ISLAND SLOPE 













RISE 



LOW HILLS 













CNT. IND.RISE 



ISLAND SLOPE 













DEEP SEA 



LOW HILLS 













BASIN 



GENTLE TOPOG. 















GENTLE TOPOG. 













TRENCH 



LOCAL RIDGE 















FLAT TOPOG. 













RIFT 



TOPOG. HIGH 













MTS. 



[NTERMOUNTAIN VALLEY 













SEAMOUNT 



ABYSSAL HILLS 













PROVINCE 



SEAMOUNT SURFACE 















IRREG. TOPOG. 













BEAUFORT 



SLOPE 













SEA 



SEA VALLEY 















SMOOTH TOPOGRAPHY 













19 



