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Rocks in continental crust are as old as years.?

Rocks in continental crust can be as old as about 4 billion years. This is because the continental crust is made up of a mixture of ancient rocks that have been around since the Earth's early history. By studying these rocks, scientists can learn more about the planet's evolution and geological processes.


Age of the oldest continental rocks?

The oldest continental rocks are around 4 billion years old. These rocks provide valuable information about the Earth's early history and can be found in regions such as Western Australia, Canada, and South Africa.


Rocks in continental crust are as old as years?

Rocks in continental crust can be as old as 4 billion years. This is because continental crust is much older than oceanic crust due to its formation through various geological processes over long periods of time. The oldest rocks found on Earth are typically located in the continental crust.


Which are younger old seafloor rocks or old continental rocks?

Old sea floor rocks are much younger than old continental rocks! This is because the oceanic lithospheric plate forming the seafloor tends to be recycled at places known as subduction zones where it is forced below less dense (commonly continental) lithosphere. As such the oldest continental rocks tend to be 2-3 billion years old whereas oceanic crust neve tends to be more than a few hundred million years old.


Oldest rocks in the world and how old?

they are in Iceland and are 4 billion years old


How much older are the oceanic rocks than the continental rocks?

Oceanic rocks are generally younger than continental rocks, with oceanic crust averaging about 200 million years old and continental crust averaging about 2.5 billion years old. This is due to the process of seafloor spreading at mid-ocean ridges, where new oceanic crust is constantly being formed and pushing older crust away.


How old are Canadian rocks?

Not all Canadian rocks are the same age. The oldest ones are about three and a half billion years old.


Why cant you find rocks 4.5 billion years old?

You can't find rocks 4.5 to 5 billion years ago because the earth was still so hot that it was still liquid and there were no rocks yet.


How old do scientists believe the earth to be?

Scientists believe that the Earth is approximately 4.5 billion years old based on radiometric dating of rocks and meteorites.


How old were rocks brought back from moon?

The rocks brought back from the moon during the Apollo missions are estimated to be about 3.1 to 4.4 billion years old. These rocks provide valuable insights into the early history and geological processes of the moon.


What is the age of the Grand Canyon's rocks?

The oldest rocks at the bottom are nearly 2 billion years old. The youngest at the top are around 250 million years old.


How old is the oldest continental crust?

The oldest continental crust is estimated to be around 4 billion years old. It can be found in regions like the Canadian Shield and parts of Western Australia.