Our plates are the North American and Eurasian. We have a trench in the Atlantic Ocean, which we cross. Our deepest trench is more then -10,000 ft. The plates in which we are on are convergent. Meaning that they pull apart, forming the trench. About 500 ft from the shoreline is where the trench starts to form.
The continental margin near Newfoundland, Canada is larger then that of the Pacific. With this being, our continental shelf is rather large. The margin near Ireland is much smaller then that of Newfoundland. Our continental rise is less steep being that we are in the Atlantic. Our ocean floor is shallow until you reach the trench then it becomes shallow again as you head closer to Ireland.
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