What are the main features of the deep sea floor?
What are the main features of the deep sea floor?
Some features of the seabed include flat abyssal plains, mid-ocean ridges, deep trenches, and hydrothermal vents. Seabed topography is flat where layers of sediments cover the tectonic features. For example, the abyssal plain regions of the ocean are relatively flat and covered in many layers of sediments.
What are the features of seafloor spreading?
Seafloor spreading produces major characteristics of the seafloor – 1) the age of the seafloor is progressively older away from midocean ridges, 2) the elevation of the seafloor is progressively lower away from midocean ridges, 3) the magnetic history of the seafloor bears the striped-pattern of the Earth’s magnetic …
What are the main features of the deep sea floor quizlet?
Terms in this set (10)
- abyssal plain. a large, flat, almost level area of the deep-ocean basin.
- continental margin. a boundary between continental crust and oceanic crust.
- continental slope.
- guyots.
- mid-ocean ridges.
- rift valleys.
- submarine canyons.
- sea mounts.
What are the physical features of the ocean floor?
Features of the ocean include the continental shelf, slope, and rise. The ocean floor is called the abyssal plain. Below the ocean floor, there are a few small deeper areas called ocean trenches. Features rising up from the ocean floor include seamounts, volcanic islands and the mid-oceanic ridges and rises.
What is the most prominent feature on the ocean floor?
oceanic ridge system
Individually, ocean ridges are the largest features in ocean basins. Collectively, the oceanic ridge system is the most prominent feature on Earth’s surface after the continents and the ocean basins themselves.
Which ocean floor features makes up the deepest parts of the ocean?
The deepest parts of the ocean are within the subduction trenches, and the deepest of these is the Marianas Trench in the southwestern Pacific (near Guam) at 11,000 m (Figure 18.5).
What is the sea floor spreading theory?
seafloor spreading, theory that oceanic crust forms along submarine mountain zones, known collectively as the mid-ocean ridge system, and spreads out laterally away from them.
What are the three types of sea floor spreading?
There are three types of plate-plate interactions based upon relative motion: convergent, where plates collide, divergent, where plates separate, and transform motion, where plates simply slide past each other.
What is the deepest feature of the ocean floor quizlet?
The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. They are also the deepest parts of the ocean floor.
What are 2 features of the ocean floor?
What is the average depth of the ocean floor?
Underwater landforms Beneath the smooth ocean surface extends an underwater landscape as complex as anything you might find on land. While the ocean has an average depth of 2.3 miles, the shape and depth of the seafloor is complex.
How to see the ocean floor from the surface?
First you will need to get into a deep ocean submersible and dive almost 4 miles under the surface of the Pacific Ocean to the sea floor. Graphic depicting satellite captured, bathymetric data of the western Atlantic Ocean Basin and its ocean floor features. (NOAA’s National Environmental Satellite and Information Service)
Is the floor of the Pacific Ocean flat?
Be very careful when interpreting this diagram (and others like it), because in order to show the various features clearly the vertical axis is exaggerated, in this case by about 200 times. The floor of the Pacific, like those of the other oceans, is actually very flat, even in areas with seamounts or deep trenches. The vast sediment-covered
How is the continental shelf different from the seafloor?
Starting from land, a trip across an ocean basin along the seafloor would begin with crossing the continental shelf. The continental shelf is an area of relatively shallow water, usually less than a few hundred feet deep, that surrounds land. It is narrow or nearly nonexistent in some places; in others, it extends for hundreds of miles.
