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FranThe Dharwar Craton in southern India contains some of the oldest rocks in India, which date back to around 3.1 - 3.4 billion years. These rocks are predominantly found in areas like Karnataka and Andhra pradesh.
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How do the ages of the oldest sediments compare to the ages of the oldest continental rocks?
The oldest sediments are generally younger than the oldest continental rocks. Sediments are continuously being deposited on the Earth's surface, while continental rocks have undergone processes of solidification and deformation over billions of years. This means that the oldest continental rocks are usually much older than the oldest sediments.
Are the oldest rocks on land or in the ocean?
The oldest rocks are typically found on land, as they have not been eroded away by oceanic processes. The oldest known rocks on Earth are found in Western Australia and are estimated to be around 4 billion years old.
When on a geologic column the oldest rocks are located where?
The oldest rocks are located at the bottom of the geologic column. This is because sedimentary layers accumulate over time, with the youngest rocks deposited on top of the older ones.
What is the oldest fold mountain of India?
The oldest fold mountain in India is the Aravalli Range, which is believed to have formed around 2.5 billion years ago.
In rock layers what is usually found at the bottom?
In rock layers, the oldest rocks are typically found at the bottom. This is due to the principle of superposition, which states that in an undisturbed sequence of sedimentary rocks, the oldest rocks are deposited first and are at the bottom, while the youngest rocks are at the top.
