AMERICA 

 PCATE" 



Figure 6. Map of the Gorda Ridge region showing features 



described in the text (modified from Riddihough, 1980; 

 Wilson, 1986). Full-rates of seafloor spreading (cm/y; 

 arrows at Gorda Ridge) and relative rates of plate motion 

 (cm/y; opposed paired arrows) are indicated. 



19 



