Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the ...

The oldest terrestrial materials ever dated by scientists are extremely rare zircon minerals that were discovered in western ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

A groundbreaking discovery in northern Quebec has confirmed the existence of Earth's oldest known rocks, dating back 4.16 ...

Modeling of these Tl isotope data indicates that seafloor Mn oxide burial decreased by at least 50% during the peak T-OAE; however, Tl isotopes are not a direct proxy for seafloor anoxic area, leaving ...

On the shores of Hudson Bay in northeastern Canada lie what could be the world’s oldest rocks. A study now suggests they are at least 4.16 billion years old — 160 million years older than any others ...

Rocks are books for geologists and right now we’re missing the book (on the Hadean). The Nuvvuagittuq Greenstone Belt would be at least one page of that book, so that’s why it’s so important,” said ...

So Jonathan O’Neil and his team turned to samarium and neodymium isotopes – elements better suited for this kind of geological detective work. Two isotope systems gave matching ages, strengthening the ...

A rocky outcrop in a remote corner of northern Quebec appears serene in its eerie isolation on the eastern shore of Canada’s ...