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The continental crust (one component of the crust) is, on average, much older than the oceanic crust.

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15y ago

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Why the crust is thinner than the ocean floor?

The Earth's crust is thinner than the ocean floor because the oceanic crust is formed at mid-ocean ridges where heat from the mantle creates new crust through volcanic activity. This process creates younger, hotter, and thinner crust in the ocean compared to the older and thicker continental crust.


What evidence proved the ocean floor was moving?

oceanic crust that was farther away from a mid-ocean ridge was older than crust closer to the ridge


Does the earths crust extend deeper below the continents or below the ocean basins?

Earths crust extend deeper below the continents than below the oceans basins (or at least this is what I think).


Why is there less silica in ocean water than river and ground water?

almost no silica in ocean water but most of its the earths crust.


What is older the continents or the ocean floor?

On average, continents are older than ocean basins. Due to the action of plate tectonics, ocean crust is being formed and destroyed continuously. The oldest oceanic crust is about 200 million years old, whereas continents, which are less dense than oceanic crust and tend not to be subducted into the mantle, can be more than 3,000 million years old in places.


Is oceanic crust near a mid ocean ridge older than oceanic crust far away?

Sorry, you have it entirely reversed.


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.


Why are the oldest parts of the ocean floor no older than about 200 million years.?

Because the oldest parts reach the continental crust and then the ocean floor sinks beneath the continental crust, into the mantle.


What is older the oceanic crust or the continental crust?

Continental crust is far older than oceanic crust.


Is earths mantle hotter or cooler than the crust?

The mantle is hotter than the crust.


How does the age of the oldest continental crust compare to the age of the oldest ocean crust?

The oldest continental crust would be between three and one half to four billion years older than the oldest oceanic crust. This is due to the fact that ocean plates are subducted under the continental plates, subjected to partial melt and essentially recycled in the mantle before reforming.


What crust is older in years the continental or the oceanic?

Continental crust is far older than oceanic crust.