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Do active continental margins have a continental rise?

No, active continental margins typically do not have a continental rise. Instead, they often have a steep continental slope that descends into a deep oceanic trench due to tectonic activity. Continental rises are found at passive continental margins where there is minimal tectonic activity.


What is a passive continental rise?

A passive continental rise is a gentle slope between the continental slope and the deep ocean floor. It is formed by sediments that accumulate from the erosional processes on the continental slope. The sediments typically consist of finer grains such as silt and clay.


when was one of these is not a part of he continental margin?

The continental margin consists of the continental shelf, continental slope, and continental rise. One feature that is not part of the continental margin is the abyssal plain, which lies deeper in the ocean and beyond the continental rise. The abyssal plain represents the flat, deep-sea floor that extends across the ocean basins, while the continental margin is specifically associated with the transition from land to ocean.


What occurs where continental slope levels off and sediment accumulates?

A continental rise forms where the continental slope levels off, and sediment accumulates due to gravity transporting sediments downslope from the slope above. This is a gentle accumulation of sediments deposited by turbidity currents, rivers, and other geological processes at the base of the slope.


Which part of the continental margin is missing in an active continental margin?

In an active continental margin, the continental slope is typically more pronounced, and the continental rise is often absent or minimal. This is because active margins are associated with tectonic plate boundaries, where subduction occurs, leading to steep, rugged coastlines and a lack of sediment accumulation that would typically form a continental rise. Instead, the ocean floor is characterized by deep ocean trenches and volcanic arcs.

Related Questions

What do the continental shelf continental slope and continental rise combine to form?

The continental shelf, continental slope, and continental rise combine to form the continental margin. The continental margin is the transition zone between the continent and the deep ocean basin.


What do The continental shelf continental slope and continental rise combine to form the?

The continental shelf, continental slope, and continental rise combine to form the continental margin, which is the submerged outer edge of a continent that extends from the shoreline to the deep ocean floor.


Describe the subdivisions of the continental margin?

The continental margin consists of three main subdivisions: the continental shelf, the continental slope, and the continental rise. The continental shelf is the shallow, gently sloping portion closest to the shore. The continental slope is the steeper portion that connects the shelf to the deep ocean floor. The continental rise is the transition zone between the slope and the deep ocean basin, where sediments accumulate.


What continental shelf continental slope and continental rise combine to form the what?

The continental shelf, continental slope, and continental rise combine to form the continental margin. The continental margin is the outer edge of a continent that includes these three regions and extends from the shoreline to the deep ocean floor.


How is the continental margin and the deep ocean basin related to the continental shelf and continental slope and the continental rise?

The continental margin encompasses the continental shelf, continental slope, and continental rise, forming the transition zone between land and deep ocean basins. The continental shelf is the submerged flat area extending from the shoreline, while the continental slope is a steeper section that leads down to the deep ocean. Beyond the slope, the continental rise consists of accumulated sediments from the shelf and slope, gradually merging into the deep ocean basin, which is characterized by deeper, more abyssal environments. Together, these features illustrate the gradual transition from terrestrial to oceanic environments.


The continental rise is located?

The continental rise is located at the base of the continental slope, where the incline lessens and sediment from the continent accumulates. It marks the transition between the continental margin and the deep ocean basin.


What is the temperature in the continental rise?

The temperature in the continental rise typically ranges from 0 to 4 degrees Celsius. This temperature is relatively constant due to the deep ocean currents that circulate around the ocean basins.


Do active continental margins have a continental rise?

No, active continental margins typically do not have a continental rise. Instead, they often have a steep continental slope that descends into a deep oceanic trench due to tectonic activity. Continental rises are found at passive continental margins where there is minimal tectonic activity.


What zone is not included in the continental margin?

The abyssal zone is not included in the continental margin. It is the deep ocean floor beyond the continental shelf, slope, and rise.


This area is between the continental slope and ocean basin?

The area you are referring to is known as the continental rise. It is located at the base of the continental slope and consists of a thick accumulation of sediments that have been transported down from the continent. The continental rise marks the transition between the continental margin and the deep ocean basin.


How are the continental shelf slope and rise related?

The continental shelf, slope, and rise are all part of the continental margin. The continental shelf is the flat, shallow portion closest to the shore, followed by the continental slope, which descends steeply to the ocean floor. The continental rise is a gentle incline at the base of the continental slope. These features are connected and represent the transition from the continent to the deep ocean basin.


What is the depth of the continental rise?

The depth of the continental rise typically ranges from 3,300 to 13,200 feet (1,000 to 4,000 meters). It marks the boundary between the continental slope and the deep ocean floor, where sediment from the continent accumulates.