Relier Pairs Ocean Floor FeaturesVersion en ligne oceanic landforms par Taylor Tant 1 Rift/ Rift Zone 2 Trench 3 Continental Slope 4 Abyssal Plain 5 Mid Ocean Ridge 6 Continental Shelf The steep slope where the continental shelf drops to the bottom of the ocean floor the center of the highest part of the mid-ocean ridge; it is a narrow trench large area of flat land on the ocean floor underwater volcanic mountains that divide the ocean floor into 2 parts The edge of the continent that is under water; shallow part of the ocean a steep-sided canyon with deep, narrow valleys in the bottom of the ocean.