active axis of oceanic ridge (1)
active subduction zone (2)
thrust (3)
fault and transform fault (4)
floodbasalt (6)
silicic large igneous provinces (7)
oceanic plateau (=Large Igneous Provinces) (8)
Paleogene basalt exposed or buried (9)
submarine morphostructure generated over the normal crust: other oceanic plateau, hotspot track, aseismic ridge, seamount (10)
continental shelf (11)
continental or island arc slope (12)
Oceanic crust (geologic age) (13)
| Pliocene-Quaternary |
| Miocene |
| Oligocene |
| Neogene |
| Eocene |
| Paleocene |
| Upper Cretaceous |
| Lower Cretaceous |
| Cretaceous |
| Upper Jurassic |
| Middle Jurassic |
| Jurassic - Cretaceous |
| oceanic crust of unknown age |
Onshore areas (14)
|