Ocean Basin

the regions that are below sea level.

actively changing in size

example of active growing ocean basins

shrinking ocean basins

surface is slow to change and does little more than collect sediment.

The main change that happens is the slow depositing of sand and sediment.

This can be found at Alaska. It has been inactive since its formation million years ago.

Submerged near shore border of a continent that’s slopes gradually and extends to a point of steeper descent to the ocean bottom.

A wide, gentle incline from a deep ocean abyssal plain to a continental slope

Slope between the outer edge of the continental shelf and the deep ocean floor.

large submerged volcanic mountain rising from the ocean floor

underwater plain on the deep ocean floor

A submarine volcanoes that is partly exposed above the ocean surface.

A long, deep, narrow depression on the ocean basin above the subduction zone with relatively steep sides.

A long, continuous volcanic mountain range found on the basins of all oceans.

A low region in a mid-ocean ridge; also, a valley or trough formed between two normal faults.

submerged volcanic mountain with a flat top

is cyclical opening and closing of ocean basins caused by the movement of tectonic plates.

the wilson cycle was observed by