Tectonic Plate Vocab Flashcard

Front

Place where two plates meet

Back

Plate Boundary

Front

Boundary between colliding tectonic plates

Back

convergent boundary

Front

Denser plate pushed beneath less dense plate during convergence.

Back

Subduction

Front

Area of oceanic crust covered by seawater and surrounded by continental crust

Back

Ocean Basin

Front

Boundary between two tectonic plates moving apart

Back

Divergent boundary

Front

Molten rock from the mantle reaches Earth's surface as ash, lava, and gases.

Back

Volcanic eruption

Front

Boundary between tectonic plates sliding past each other

Back

Transform boundary

Front

Supercontinent formed 300 million years ago

Back

Pangaea

Front

Major geological event when equal density continental plates converge

Back

Mountain building

Front

Can be thin, dense, oceanic, or thick, less dense, continental.

Back

Crustal rock material