More than 4 billion -year -old stones in Canada are probably oldest on earth
Researchers have determined from stones in Canada that they are likely the oldest in the world. The stones on the northeastern coast of the country are at least 4.16 billion years old, making them 160 million years older than any other stones. It has been known since 2008 that the stones on the so-called Nuvvuagittuq […]