While microorganisms were known to inhabit hydrothermal vents, the presence of complex, macroscopic life forms in the ocean ...

Figure 4: Schematic cross-section of the northern Cascadia convergent margin ... occur beneath the top of the subducting oceanic crust where it dips most steeply. As the top of the plate flattens, the ...

In geography, taking a slice through a structure to see inside is called a cross section ... Continental and oceanic plates all fit together to form the outer crust of the planet.