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It's a thick mass of ignieous rock that lies under the ocean. Where areas of the ocean floor have been upthrust through tectonic plate movement and mountain formation, oceanic crust can also be found inland.
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What are two kinds of crusts?
oceanic and the continental crust
Is seafloor spreading a process that forms a new oceanic crusts?
Yes, it is.
What the lithosphere made up of?
The lithosphere is composed of the oceanic and continental crusts.
What are the characteristic of the oceanic crust?
The rocks that makes up the oceanic crusts, are very dark, relatively thin and highly dense.
Where are the newest oceanic crusts located?
Near ocean ridges such as the Atlantic ridge
Both the oceanic and continental crusts are partially composed of what material?
Both oceanic and continental crusts consist primarily of igneous rock although they both contain some sedimentary rock. Oceanic crust is composed mainly of basaltic rock, while continental crust is composed of granitic rock.
What are the two crusts found on earth?
The earth's crust is comprised of the oceanic crust and the continental crust. Bread has the crunchy and the sofy crust.
Do subduction take place when two oceanic crust meet?
No subduction doesn't take place when two oceanic crust meet. When two oceanic crusts meet, it is called a divergent boundary. Crustal features vary such as one like mid-ocean rdges. Subducting takes place when an OCEANIC and CONTINENTAL plate meet not when two oceanic plates meet.
How are oceanic crust and continental crust alike How are they different?
Oceanic and Continental crusts are alike because they both shift and move and grow. They differ by there rock types. Oceanic crust is made up of dense basalt while continental crust is made up of less dense granite.
How does the thickness of continental crust differ from that oceanic crust?
There is actually a difference between the thickness of the two. The fact is, however, that actual variance of the Earth's crust is larger than the variance between the continental and oceanic crusts. However, here is the data- The Earth's crust is comprised of layers- the continental crusts are between 35-70 km thick while the oceanic crusts are between 5-10 km thick
What happens when two plates carrying oceanic crusts meet at a trench?
When two plates carrying oceanic crusts meet at a trench, one plate typically subducts beneath the other due to its higher density. This process can generate volcanic activity, earthquakes, and the formation of deep-sea trenches and volcanic island arcs.
What is oceanic oceanic collision?
Oceanic-oceanic collision occurs when two tectonic plates carrying oceanic lithosphere collide with each other. This collision often leads to the subduction of one plate beneath the other, resulting in the formation of volcanic island arcs and deep oceanic trenches. The collision can also lead to the formation of new oceanic crust through volcanic activity.
