Plate Boundary Formations

Front

What is the densest type of crust that can sink back into the mantle?

Back

Oceanic crust

Front

What is a long, underwater mountain range formed by seafloor spreading?

Back

Mid-ocean ridge

Front

What geological feature is formed by divergent plate boundaries?

Back

Rift Valley

Front

What is a long, narrow groove or ditch in geological terms?

Back

Trench

Front

What forms when tectonic plates separate and create gaps?

Back

Rift

Front

What type of plate boundary involves plates sliding past each other?

Back

Transform plate boundary

Front

What is the process called when one tectonic plate moves under another?

Back

Subduction

Front

What is the term for the boundary where two tectonic plates collide?

Back

Convergent plate boundary

Front

What geological feature is created at a convergent boundary where an oceanic plate meets a continental plate?

Back

Oceanic trench

Front

What is the term for the process of new oceanic crust being formed?

Back

Seafloor spreading