Figure F3. Primary tectonic features of the Panama Basin and surroundings (after Hey et al., 1977). Bold black lines = active oceanic spreading centers, red lines = age (in millions of years) of oceanic crust. CNR = Cocos-Nazca Rift, EPR = East Pacific Rise.

Figure F3. Primary tectonic features of the Panama Basin and surroundings (after Hey et al., 1977). Bold black lines = active oceanic spreading centers, red lines = age (in millions of years) of oceanic crust. CNR = Cocos-Nazca Rift, EPR = East Pacific Rise.