Which is oldest rock in India?

The zircon containing granite rocks of Odisha. About 4.24 billion years old – older than the oldest rocks on Earth – and barely the width of a human hair, tiny grains of zircon have been found trapped in a granite rock in the eastern Indian state of Odisha1.

Where is the oldest exposed rock on Earth?

Bedrock along the northeast coast of Hudson Bay, Canada, has the oldest rock on Earth. Canadian bedrock more than 4 billion years old may be the oldest known section of the Earth’s early crust.

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