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divergence of continental crust create rift zones e.g.east african rift valley.firstly,divergence will create updoming of the area.after that step faulting will take place and that will result in narrow linear sea formation like red sea.finally separation of land and ocean ridge will occur.
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Oceanic crust is lighter than the continental crust?
No, the oceanic crust is denser. That's why the land areas "float" so much higher than the ocean bedrock.
Subduction of oceanic crust at a continental margin creates .?
Ocean trenches and Island arcs.
Name a plate that is entirely made of continental crust?
All major plates contain both continental and oceanic crust except for the Pacific and Nazca plates.
Why is the oldest ocean crust only 150 million years old?
Because the oldest parts reach the continental crust and then the ocean floor sinks beneath the continental crust, into the mantle.
How deep is the earth's crust in feet?
The oceanic crust, or the crust of the earth that is under water, is between 15,840 feet and 31,680 feet thick. The continental crust, or the crust not covered in ocean water, is between 105,600 feet and 158,400 feet thick.
Which of the following landforms result from divergence of continental crust?
a rift valley
When Compared to landform crust the ocean crust is?
Compared to continental crust, oceanic crust is generally thinner, denser, and younger. It typically has an average thickness of about 5-10 kilometers, while continental crust can range from 30 to 50 kilometers. Oceanic crust is primarily composed of basalt, whereas continental crust is mostly granite. Additionally, oceanic crust is continuously being formed at mid-ocean ridges, making it geologically younger than most continental crust.
What type of landform is found at converging continental plates Why?
When two continental plates collide, the crust is thickened, buckled and deformed--gaining elevation. Mountain chains are the result; their creation occurring over periods of millions of years.
What is an example of a continental to continental divergence?
An example of continental to continental divergence is the ongoing separation of the African Plate and the Eurasian Plate along the East African Rift. This tectonic boundary is causing the African Plate to split into two separate plates, resulting in the formation of new oceanic crust and eventually a new ocean basin in millions of years.
Why does the continental crust float higher on the mantle than on the oceanic crust?
Continental crust is less dense and thicker than oceanic crust, causing it to float higher on the mantle. The continental crust is also compositionally different, with a greater amount of less dense materials like granite compared to the basaltic composition of oceanic crust. This difference in density and composition results in the continental crust floating higher on the mantle.
Is ocean crust or landform crust yonger?
Ocean crust is younger than landform crust. Oceanic crust is constantly being created at mid-ocean ridges through volcanic activity, making it much younger in comparison to the older landform crust found on continents.
Compared to landform crust the ocean crust is?
younger
Where do valcanoes come from?
From the colliding plates called Plate Tectonics which two continental crust/ two oceanic crust/ continental - oceanic crust will collide then the one that is denser will go in the mantle that we called Subduction after that happens the one continental crust will go upward until volcano will formed that is called Upthrust Faulting. It is either the crust will form mountain or volcano but it depends upon the pressure in the mantle that makes the landform to have a Magma Chamber
What major landform is made when two continental plates converge?
When two continental plates converge, a major landform created is a mountain range. The intense pressure and collision between the plates causes the Earth's crust to uplift, forming large mountain ranges such as the Himalayas or the Alps.
Which landform is crust thickest?
mountains
Explain why continental crust can displace more of the mantle than oceanic crust can?
Continental crust is generally thicker and less dense than oceanic crust, allowing it to displace more of the mantle beneath it. The buoyancy of continental crust enables it to float higher on the mantle compared to the denser oceanic crust, which sinks deeper into the mantle. Additionally, the composition of continental crust, which includes lighter materials like granite, contributes to its ability to displace a larger volume of mantle. This difference in density and thickness results in continental crust having a greater gravitational pull on the mantle compared to oceanic crust.
Which is thicker continental crust oceanic crust?
Continental crust is the thicker of the two: it extends far beneath and above the Oceanic crust.
