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What is canyons the difference between trenches?
Canyons are deep, narrow valleys with steep sides that are usually formed by erosion from water, while trenches are long, narrow depressions on the ocean floor caused by tectonic activity. Canyons are typically found on land, created by rivers or glaciers, while trenches are found underwater, usually at the boundaries of tectonic plates.
How are valleys and trenches alike and how do they differ?
Unlike deep sea trenches which are found in areas where one tectonic plate slides beneath another undersea canyons are found along the slopes of most continental margins the submarine canyons for example tend to have steeper side slopes much higher gradients and considerably narrower floors. thats how they different
Are most volcanoes form on land?
nope, ocean trenches
What make trenches in the ocean?
Deep ocean trenches can be formed by undersea earthquakes, land-slides, but also by the movement along the edges of tectonic plates.
Where on the ocean floor is sediment the thickest?
the thickest accumulation of sediment on the ocean floor is at the CONTINENTAL SLOPES AND RISES. :)
What are some names of land forms?
mountain range and ocean are some land forms
When and where the trench occurs?
Trenches occur by diverging plate boundries and normally at about 11,000 meters deep. This includes sea floor spreading which is where a new layer of crust forms at the mid ocean ridge and the old crust falls into trenches
What are the differences between a submarine canyon and a deep-ocean trench?
A trench is an arc-shaped depression in the deep-ocean floor. The crease occurs in the seafloor when a converging oceanic plate is subducted. It is considered to be the deepest place in the Earth's crust. A submarine canyon cuts into the continetial shelf and slope, ending in a deep sea fan. Sometimes they extend from the mouth of a river that drains sediment and fast flowing water out to sea. It is created by erosion like canyons on land, also they are sometimes created by earthquakes that cause an "avalanche" of sediments.
What best describes the ocean floor?
The ocean floor is made up of various geological features, including mid-ocean ridges, deep-sea trenches, and abyssal plains. It is also home to diverse ecosystems, such as hydrothermal vents and coral reefs, and is covered with sediment derived from land and marine sources. The ocean floor plays a crucial role in regulating Earth's climate and supporting marine life.
Explain the relationship between trenches and seafloor spreading?
1. New sea-floor is created by the upwelling of magma at mid-ocean spreading centers; old ocean floor is destroyed by subduction at deep sea trenches. 2. The area is a subduction zone. Magma from underground comes up and destroys that crust. That crust is then recycled and the magma cools and hardens. That creates new land, that creates the trenches. Seafloor spreading is in the ocean and happens with convection currents. That is the relationship between. 3. As new seafloor is formed at mid-ocean ridges, the old seafloor is pushed down into trenches at subduction zones.
Which structures on the ocean floor are equivalent to mountains on land?
Seamounts and underwater volcanoes are structures on the ocean floor that can be equivalent to mountains on land. These features are created by volcanic activity and can rise thousands of feet from the ocean floor, resembling the towering heights of mountains on land.
What the land between the trenches?
No-man's-land
