Coasts and Islands
There are 3 types of coasts that form against the ocean. They are not affected by the ocean itself, but rather by if the continental plate is rising or sinking.
Next, we want to discuss Island Arcs, or continues strings of islands in a discernible pattern along the ocean. How do these island arcs form?
material entering and exiting the overriding plate Next, let's start looking at features on the ocean floor: Oceanic trench: Long, deep, narrow depression in the oceanic lithosphere. These trenches occur at the point where the oceanic lithosphere is being subducted, or pushed below, the continental plate. This causes a deep trench in the ocean, some of the deepest zones of the planet. Continental shelf
boundary of the shelf - Known as the Continental slope Submarine canyon
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