SECTIOXS OF THE RISING MARIANNE ARC 



251 



NORTH \ SECTION 



.2\8 



MIDDLE SECTION 

 (Saipan- R o + a -„(j u. a m") 



T H- eg <^/ 3 





X 



en 



D 

 O 



//////////. 



SOUTH SECTION 

 C ^ e y s) 



■0 

 « 



y///////////7///y77/7/////////// 



SECTIONS 



OF THE 



RISING MARIANNE ARC 



Sea Floor 



Volcanic 



Reef-caps 



Arcs Direction of Thnusi 



Figure 3.— Compactso/i of the different Sections of the Marianne Arc 



