Oceanography
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- Date Submitted: 02/04/2014 02:44 AM
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The Creation of the Ocean Floor
SCI 209
The Creation of the Ocean Floor
Oceans cover about 70 % of the Earth’s surface. Oceans have been used as transportation for many years. The oceans are filled with marine lifer forms both known and unknown. The oceans are vast and unexplored especially the ocean floor. This paper will explore plate boundaries and the amazing natural events that they create.
Types of Plate Boundaries
There are three types of plate boundaries. They are convergent, divergent, and transform-fault boundaries. In convergent boundaries, the “crust is destroyed and recycled back into the interior of the Earth as one plate dives under another” (platetectonics.com, 2010). These are known as subduction zones. There are three types of convergent boundaries. They are oceanic-oceanic convergence, oceanic-continental convergence, and continental-continental convergence. Oceanic-oceanic convergence occurs when two oceanic plates converge. One plate slips under the other and a deep ocean trench is formed. When oceanic-continental convergence occurs an ocean plate pushes into and slips under a continental plate. The continental plate is lifted up and mountain ranges are created. In a continental-continental convergence, two continental plates collide resisting the downward motion because the rock is light. The crust buckles and pushes upward. This creates mountain ranges like the Himalayas. “At divergent boundaries, new crust is created as two or more plates pull away from each other” (platetectonics.com, 2010). When divergent boundaries happen, new oceans are created. The...
SCI 209
The Creation of the Ocean Floor
Oceans cover about 70 % of the Earth’s surface. Oceans have been used as transportation for many years. The oceans are filled with marine lifer forms both known and unknown. The oceans are vast and unexplored especially the ocean floor. This paper will explore plate boundaries and the amazing natural events that they create.
Types of Plate Boundaries
There are three types of plate boundaries. They are convergent, divergent, and transform-fault boundaries. In convergent boundaries, the “crust is destroyed and recycled back into the interior of the Earth as one plate dives under another” (platetectonics.com, 2010). These are known as subduction zones. There are three types of convergent boundaries. They are oceanic-oceanic convergence, oceanic-continental convergence, and continental-continental convergence. Oceanic-oceanic convergence occurs when two oceanic plates converge. One plate slips under the other and a deep ocean trench is formed. When oceanic-continental convergence occurs an ocean plate pushes into and slips under a continental plate. The continental plate is lifted up and mountain ranges are created. In a continental-continental convergence, two continental plates collide resisting the downward motion because the rock is light. The crust buckles and pushes upward. This creates mountain ranges like the Himalayas. “At divergent boundaries, new crust is created as two or more plates pull away from each other” (platetectonics.com, 2010). When divergent boundaries happen, new oceans are created. The...