There is an exposed bedrock near Hudson Bay, Canada that is 4.3 billion years old. It is the oldest known rock and was around when the earth was only 200 million years old with no atmosphere or oceans.
fact
There is an exposed bedrock near Hudson Bay, Canada that is 4.3 billion years old. It is the oldest known rock and was around when the earth was only 200 million years old with no atmosphere or oceans.