A tectonic boundary where two plates are moving away from each other and new
crust is forming from magma that rises to the Earth's surface between the two
plates.
crust is forming from magma that rises to the Earth's surface between the two
plates.
A rift valley is a linear-shaped lowland between several highlands or
mountain ranges created by the action of a geologic rift or fault.
mountain ranges created by the action of a geologic rift or fault.
A mid-ocean ridge is a general term for an underwater mountain system that
consists of various mountain ranges, typically having a valley known as a rift
running along its spine, formed by plate tectonics.
consists of various mountain ranges, typically having a valley known as a rift
running along its spine, formed by plate tectonics.