SECT. 3] 



TURBIDITY CURRENTS 



747 



100% 



75% 



50% 



25% 



MECHANICAL ANALYSES 

 Core A180-1 Core A180-2 



Phi scole 3^4 4 5 6 

 Microns 125// 62 31 16 



9 102034 5 6 78 

 2 1 250// 125 62 31 16 8 4 



Fig. 5. A mechanical analysis of cores 180-1 and 180-2. Note the well defined particle 

 grading in both cores. Also note the sharply contrasting particle size distribution in 

 the abyssal clay facies at 150 cm in core 180-1. (After Heezen, Ericson and Ewing, 

 1954.) 



Fig. 6. Generalized bathymetric map of the western Mediterranean Sea, showing the area 

 in which submarine cables were broken on the Balearic Abyssal Plain, following the 

 1954 Orleansville earthquake. Depths in fathoms. (After Heezen and Ewing, 1955.) 



